diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_add_owner.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_add_owner.yaml
deleted file mode 100644
index 3241650..0000000
--- a/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_add_owner.yaml
+++ /dev/null
@@ -1,223 +0,0 @@
-interactions:
-- request:
-    body: mail_host=example.com
-    headers:
-      accept-encoding: ['gzip, deflate']
-      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
-    method: !!python/unicode 'POST'
-    uri: http://localhost:9001/3.0/domains
-  response:
-    body: {string: !!python/unicode 'Duplicate email host: example.com'}
-    headers:
-      content-length: ['33']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 400, message: Bad Request}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/domains/example.com
-  response:
-    body: {string: !!python/unicode '{"base_url": "http://example.com", "description":
-        null, "http_etag": "\"e736411818ff1815ca83575e0958c38c5188f0a4\"", "mail_host":
-        "example.com", "self_link": "http://localhost:9001/3.0/domains/example.com",
-        "url_host": "example.com"}'}
-    headers:
-      content-length: ['233']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/domains/example.com
-  response:
-    body: {string: !!python/unicode '{"base_url": "http://example.com", "description":
-        null, "http_etag": "\"e736411818ff1815ca83575e0958c38c5188f0a4\"", "mail_host":
-        "example.com", "self_link": "http://localhost:9001/3.0/domains/example.com",
-        "url_host": "example.com"}'}
-    headers:
-      content-length: ['233']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: fqdn_listname=foo%40example.com
-    headers:
-      accept-encoding: ['gzip, deflate']
-      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
-    method: !!python/unicode 'POST'
-    uri: http://localhost:9001/3.0/lists
-  response:
-    body: {string: !!python/unicode ''}
-    headers:
-      content-length: ['0']
-      location: ['http://localhost:9001/3.0/lists/foo.example.com']
-    status: {code: 201, message: Created}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo@example.com
-  response:
-    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
-        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
-        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
-        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
-    headers:
-      content-length: ['294']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/users/su@example.com
-  response:
-    body: {string: !!python/unicode '404 Not Found'}
-    headers:
-      content-length: ['13']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 404, message: Not Found}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
-  response:
-    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
-        "start": 0, "total_size": 0}'}
-    headers:
-      content-length: ['90']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
-  response:
-    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
-        "start": 0, "total_size": 0}'}
-    headers:
-      content-length: ['90']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: role=owner&list_id=foo.example.com&subscriber=newowner%40example.com
-    headers:
-      accept-encoding: ['gzip, deflate']
-      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
-    method: !!python/unicode 'POST'
-    uri: http://localhost:9001/3.0/members
-  response:
-    body: {string: !!python/unicode ''}
-    headers:
-      content-length: ['0']
-      location: ['http://localhost:9001/3.0/members/2']
-    status: {code: 201, message: Created}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo@example.com/roster/member?count=1&page=1
-  response:
-    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
-        "start": 0, "total_size": 0}'}
-    headers:
-      content-length: ['90']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo@example.com/roster/member?count=25&page=1
-  response:
-    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
-        "start": 0, "total_size": 0}'}
-    headers:
-      content-length: ['90']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
-  response:
-    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
-        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
-        "\"3cd95533f48bade9cf7cd736dc8610586e170db5\"", "list_id": "foo.example.com",
-        "member_id": 2, "role": "owner", "self_link": "http://localhost:9001/3.0/members/2",
-        "user": "http://localhost:9001/3.0/users/2"}], "http_etag": "\"3f55a6e8ce307f1b4eb9244a084bf49b7759e0ef\"",
-        "start": 0, "total_size": 1}'}
-    headers:
-      content-length: ['458']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
-  response:
-    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
-        "start": 0, "total_size": 0}'}
-    headers:
-      content-length: ['90']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
-  response:
-    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
-        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
-        "\"3cd95533f48bade9cf7cd736dc8610586e170db5\"", "list_id": "foo.example.com",
-        "member_id": 2, "role": "owner", "self_link": "http://localhost:9001/3.0/members/2",
-        "user": "http://localhost:9001/3.0/users/2"}], "http_etag": "\"3f55a6e8ce307f1b4eb9244a084bf49b7759e0ef\"",
-        "start": 0, "total_size": 1}'}
-    headers:
-      content-length: ['458']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo.example.com
-  response:
-    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
-        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
-        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
-        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
-    headers:
-      content-length: ['294']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'DELETE'
-    uri: http://localhost:9001/3.0/lists/foo@example.com
-  response:
-    body: {string: !!python/unicode ''}
-    headers:
-      content-length: ['0']
-    status: {code: 204, message: No Content}
-version: 1
diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_add_owner_new_owner_added.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_add_owner_new_owner_added.yaml
deleted file mode 100644
index abf1f66..0000000
--- a/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_add_owner_new_owner_added.yaml
+++ /dev/null
@@ -1,19 +0,0 @@
-interactions:
-- request:
-    body: null
-    headers:
-      accept-encoding: ['gzip, deflate']
-    method: !!python/unicode 'GET'
-    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
-  response:
-    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
-        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
-        "\"3cd95533f48bade9cf7cd736dc8610586e170db5\"", "list_id": "foo.example.com",
-        "member_id": 2, "role": "owner", "self_link": "http://localhost:9001/3.0/members/2",
-        "user": "http://localhost:9001/3.0/users/2"}], "http_etag": "\"3f55a6e8ce307f1b4eb9244a084bf49b7759e0ef\"",
-        "start": 0, "total_size": 1}'}
-    headers:
-      content-length: ['458']
-      content-type: [application/json; charset=utf-8]
-    status: {code: 200, message: OK}
-version: 1
diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner.yaml
new file mode 100644
index 0000000..1cc54b2
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner.yaml
@@ -0,0 +1,151 @@
+interactions:
+- request:
+    body: mail_host=example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/domains
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      location: ['http://localhost:9001/3.0/domains/example.com']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/domains/example.com
+  response:
+    body: {string: !!python/unicode '{"base_url": "http://example.com", "description":
+        null, "http_etag": "\"e736411818ff1815ca83575e0958c38c5188f0a4\"", "mail_host":
+        "example.com", "self_link": "http://localhost:9001/3.0/domains/example.com",
+        "url_host": "example.com"}'}
+    headers:
+      content-length: ['233']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: fqdn_listname=foo%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/lists
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      location: ['http://localhost:9001/3.0/lists/foo.example.com']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'DELETE'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+- request:
+    body: mail_host=example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/domains
+  response:
+    body: {string: !!python/unicode 'Duplicate email host: example.com'}
+    headers:
+      content-length: ['33']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 400, message: Bad Request}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/domains/example.com
+  response:
+    body: {string: !!python/unicode '{"base_url": "http://example.com", "description":
+        null, "http_etag": "\"e736411818ff1815ca83575e0958c38c5188f0a4\"", "mail_host":
+        "example.com", "self_link": "http://localhost:9001/3.0/domains/example.com",
+        "url_host": "example.com"}'}
+    headers:
+      content-length: ['233']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/domains/example.com
+  response:
+    body: {string: !!python/unicode '{"base_url": "http://example.com", "description":
+        null, "http_etag": "\"e736411818ff1815ca83575e0958c38c5188f0a4\"", "mail_host":
+        "example.com", "self_link": "http://localhost:9001/3.0/domains/example.com",
+        "url_host": "example.com"}'}
+    headers:
+      content-length: ['233']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: fqdn_listname=foo%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/lists
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      location: ['http://localhost:9001/3.0/lists/foo.example.com']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'DELETE'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+version: 1
diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner_add_remove.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner_add_remove.yaml
new file mode 100644
index 0000000..1cfbbf7
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner_add_remove.yaml
@@ -0,0 +1,197 @@
+interactions:
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/su@example.com
+  response:
+    body: {string: !!python/unicode '404 Not Found'}
+    headers:
+      content-length: ['13']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 404, message: Not Found}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: subscriber=newowner%40example.com&role=owner&list_id=foo.example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      location: ['http://localhost:9001/3.0/members/1']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/roster/member?count=1&page=1
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/roster/member?count=25&page=1
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
+        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
+        "\"1e656e8469afe5acc1725ce34ba2d64c95d401bb\"", "list_id": "foo.example.com",
+        "member_id": 1, "role": "owner", "self_link": "http://localhost:9001/3.0/members/1",
+        "user": "http://localhost:9001/3.0/users/1"}], "http_etag": "\"6d8e08bc7a0c4c26e574f282f7c140254cc57531\"",
+        "start": 0, "total_size": 1}'}
+    headers:
+      content-length: ['458']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
+        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
+        "\"1e656e8469afe5acc1725ce34ba2d64c95d401bb\"", "list_id": "foo.example.com",
+        "member_id": 1, "role": "owner", "self_link": "http://localhost:9001/3.0/members/1",
+        "user": "http://localhost:9001/3.0/users/1"}], "http_etag": "\"6d8e08bc7a0c4c26e574f282f7c140254cc57531\"",
+        "start": 0, "total_size": 1}'}
+    headers:
+      content-length: ['458']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
+        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
+        "\"1e656e8469afe5acc1725ce34ba2d64c95d401bb\"", "list_id": "foo.example.com",
+        "member_id": 1, "role": "owner", "self_link": "http://localhost:9001/3.0/members/1",
+        "user": "http://localhost:9001/3.0/users/1"}], "http_etag": "\"6d8e08bc7a0c4c26e574f282f7c140254cc57531\"",
+        "start": 0, "total_size": 1}'}
+    headers:
+      content-length: ['458']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'DELETE'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/owner/newowner@example.com
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+version: 1
diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner_by_owner.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner_by_owner.yaml
new file mode 100644
index 0000000..8dbe3c0
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/test_list_members_owner_by_owner.yaml
@@ -0,0 +1,502 @@
+interactions:
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: subscriber=su%40example.com&role=owner&list_id=foo.example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      location: ['http://localhost:9001/3.0/members/2']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"902cfc083f243f174e2457cc0b5ef0e669c1cae3\"", "start": 0, "total_size":
+        1}'}
+    headers:
+      content-length: ['446']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/su@example.com
+  response:
+    body: {string: !!python/unicode '{"created_on": "2005-08-01T07:49:23", "http_etag":
+        "\"b36f8ca1d91d583901c768dc116815282d469c66\"", "is_server_owner": false,
+        "self_link": "http://localhost:9001/3.0/users/2", "user_id": 2}'}
+    headers:
+      content-length: ['188']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/2/addresses
+  response:
+    body: {string: !!python/unicode '{"entries": [{"email": "su@example.com", "http_etag":
+        "\"a8988d233ad4b9e8641ad5d75553912565efec83\"", "original_email": "su@example.com",
+        "registered_on": "2005-08-01T07:49:23", "self_link": "http://localhost:9001/3.0/addresses/su@example.com",
+        "user": "http://localhost:9001/3.0/users/2"}], "http_etag": "\"7cc723891821fbf8b0974c2ec407cca11fbb6726\"",
+        "start": 0, "total_size": 1}'}
+    headers:
+      content-length: ['381']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/addresses/su@example.com
+  response:
+    body: {string: !!python/unicode '{"email": "su@example.com", "http_etag": "\"a8988d233ad4b9e8641ad5d75553912565efec83\"",
+        "original_email": "su@example.com", "registered_on": "2005-08-01T07:49:23",
+        "self_link": "http://localhost:9001/3.0/addresses/su@example.com", "user":
+        "http://localhost:9001/3.0/users/2"}'}
+    headers:
+      content-length: ['276']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"902cfc083f243f174e2457cc0b5ef0e669c1cae3\"", "start": 0, "total_size":
+        1}'}
+    headers:
+      content-length: ['446']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: subscriber=newowner%40example.com&role=owner&list_id=foo.example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      location: ['http://localhost:9001/3.0/members/3']
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/roster/member?count=1&page=1
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/roster/member?count=25&page=1
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
+        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
+        "\"0a19a1b74530e9a6e79d0164fd3504f7b06cd5bd\"", "list_id": "foo.example.com",
+        "member_id": 3, "role": "owner", "self_link": "http://localhost:9001/3.0/members/3",
+        "user": "http://localhost:9001/3.0/users/1"}, {"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"c0fdf1ee97951fabb09248a5b663efb29ead01cf\"", "start": 0, "total_size":
+        2}'}
+    headers:
+      content-length: ['801']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
+        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
+        "\"0a19a1b74530e9a6e79d0164fd3504f7b06cd5bd\"", "list_id": "foo.example.com",
+        "member_id": 3, "role": "owner", "self_link": "http://localhost:9001/3.0/members/3",
+        "user": "http://localhost:9001/3.0/users/1"}, {"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"c0fdf1ee97951fabb09248a5b663efb29ead01cf\"", "start": 0, "total_size":
+        2}'}
+    headers:
+      content-length: ['801']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/su@example.com
+  response:
+    body: {string: !!python/unicode '{"created_on": "2005-08-01T07:49:23", "http_etag":
+        "\"b36f8ca1d91d583901c768dc116815282d469c66\"", "is_server_owner": false,
+        "self_link": "http://localhost:9001/3.0/users/2", "user_id": 2}'}
+    headers:
+      content-length: ['188']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/2/addresses
+  response:
+    body: {string: !!python/unicode '{"entries": [{"email": "su@example.com", "http_etag":
+        "\"a8988d233ad4b9e8641ad5d75553912565efec83\"", "original_email": "su@example.com",
+        "registered_on": "2005-08-01T07:49:23", "self_link": "http://localhost:9001/3.0/addresses/su@example.com",
+        "user": "http://localhost:9001/3.0/users/2"}], "http_etag": "\"7cc723891821fbf8b0974c2ec407cca11fbb6726\"",
+        "start": 0, "total_size": 1}'}
+    headers:
+      content-length: ['381']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/addresses/su@example.com
+  response:
+    body: {string: !!python/unicode '{"email": "su@example.com", "http_etag": "\"a8988d233ad4b9e8641ad5d75553912565efec83\"",
+        "original_email": "su@example.com", "registered_on": "2005-08-01T07:49:23",
+        "self_link": "http://localhost:9001/3.0/addresses/su@example.com", "user":
+        "http://localhost:9001/3.0/users/2"}'}
+    headers:
+      content-length: ['276']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
+        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
+        "\"0a19a1b74530e9a6e79d0164fd3504f7b06cd5bd\"", "list_id": "foo.example.com",
+        "member_id": 3, "role": "owner", "self_link": "http://localhost:9001/3.0/members/3",
+        "user": "http://localhost:9001/3.0/users/1"}, {"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"c0fdf1ee97951fabb09248a5b663efb29ead01cf\"", "start": 0, "total_size":
+        2}'}
+    headers:
+      content-length: ['801']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/newowner@example.com",
+        "delivery_mode": "regular", "email": "newowner@example.com", "http_etag":
+        "\"0a19a1b74530e9a6e79d0164fd3504f7b06cd5bd\"", "list_id": "foo.example.com",
+        "member_id": 3, "role": "owner", "self_link": "http://localhost:9001/3.0/members/3",
+        "user": "http://localhost:9001/3.0/users/1"}, {"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"c0fdf1ee97951fabb09248a5b663efb29ead01cf\"", "start": 0, "total_size":
+        2}'}
+    headers:
+      content-length: ['801']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'DELETE'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/owner/newowner@example.com
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+    status: {code: 204, message: No Content}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"902cfc083f243f174e2457cc0b5ef0e669c1cae3\"", "start": 0, "total_size":
+        1}'}
+    headers:
+      content-length: ['446']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/su@example.com
+  response:
+    body: {string: !!python/unicode '{"created_on": "2005-08-01T07:49:23", "http_etag":
+        "\"b36f8ca1d91d583901c768dc116815282d469c66\"", "is_server_owner": false,
+        "self_link": "http://localhost:9001/3.0/users/2", "user_id": 2}'}
+    headers:
+      content-length: ['188']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/2/addresses
+  response:
+    body: {string: !!python/unicode '{"entries": [{"email": "su@example.com", "http_etag":
+        "\"a8988d233ad4b9e8641ad5d75553912565efec83\"", "original_email": "su@example.com",
+        "registered_on": "2005-08-01T07:49:23", "self_link": "http://localhost:9001/3.0/addresses/su@example.com",
+        "user": "http://localhost:9001/3.0/users/2"}], "http_etag": "\"7cc723891821fbf8b0974c2ec407cca11fbb6726\"",
+        "start": 0, "total_size": 1}'}
+    headers:
+      content-length: ['381']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/addresses/su@example.com
+  response:
+    body: {string: !!python/unicode '{"email": "su@example.com", "http_etag": "\"a8988d233ad4b9e8641ad5d75553912565efec83\"",
+        "original_email": "su@example.com", "registered_on": "2005-08-01T07:49:23",
+        "self_link": "http://localhost:9001/3.0/addresses/su@example.com", "user":
+        "http://localhost:9001/3.0/users/2"}'}
+    headers:
+      content-length: ['276']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"902cfc083f243f174e2457cc0b5ef0e669c1cae3\"", "start": 0, "total_size":
+        1}'}
+    headers:
+      content-length: ['446']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"display_name": "Foo", "fqdn_listname": "foo@example.com",
+        "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"", "list_id": "foo.example.com",
+        "list_name": "foo", "mail_host": "example.com", "member_count": 0, "self_link":
+        "http://localhost:9001/3.0/lists/foo.example.com", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"902cfc083f243f174e2457cc0b5ef0e669c1cae3\"", "start": 0, "total_size":
+        1}'}
+    headers:
+      content-length: ['446']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"entries": [{"address": "http://localhost:9001/3.0/addresses/su@example.com",
+        "delivery_mode": "regular", "email": "su@example.com", "http_etag": "\"50eebd88044b56c4a2073d93c0bf5c5da54f9b3c\"",
+        "list_id": "foo.example.com", "member_id": 2, "role": "owner", "self_link":
+        "http://localhost:9001/3.0/members/2", "user": "http://localhost:9001/3.0/users/2"}],
+        "http_etag": "\"902cfc083f243f174e2457cc0b5ef0e669c1cae3\"", "start": 0, "total_size":
+        1}'}
+    headers:
+      content-length: ['446']
+      content-type: [application/json; charset=utf-8]
+    status: {code: 200, message: OK}
+version: 1
diff --git a/src/postorius/tests/mailman_api_tests/test_list_members.py b/src/postorius/tests/mailman_api_tests/test_list_members.py
index 054071c..d7a6f97 100644
--- a/src/postorius/tests/mailman_api_tests/test_list_members.py
+++ b/src/postorius/tests/mailman_api_tests/test_list_members.py
@@ -17,14 +17,18 @@
 import logging
 
 from django.conf import settings
+from django.contrib import messages
 from django.contrib.auth.models import User
 from django.core.urlresolvers import reverse
+from django.utils.timezone import now
 from django.test import Client, TestCase
 from django.test.utils import override_settings
 from six.moves.urllib_error import HTTPError
 from six.moves.urllib_parse import quote
 
+from postorius.models import MailmanUser, Mailman404Error
 from postorius.tests import MM_VCR, API_CREDENTIALS
+from postorius.tests.utils import get_flash_messages
 from postorius.utils import get_client
 
 
@@ -77,7 +81,7 @@
         if "%40" not in url: # Django < 1.8
             url = quote(url)
         expected_redirect = "http://testserver%s?next=%s" % (
-            settings.LOGIN_URL, url)
+            reverse(settings.LOGIN_URL), url)
         self.assertEqual(response.status_code, 302)
         self.assertEqual(response["location"], expected_redirect)
 
@@ -111,37 +115,70 @@
 
 
 @override_settings(**API_CREDENTIALS)
-class AddOwnerTest(TestCase):
+class AddRemoveOwnerTest(TestCase):
     """Tests for the list members page.
 
     Tests creation of list owners.
     """
 
-    @MM_VCR.use_cassette('test_list_members_add_owner.yaml')
+    @MM_VCR.use_cassette('test_list_members_owner.yaml')
     def setUp(self):
         self.client = Client()
+        self.mm_client = get_client()
         try:
-            self.domain = get_client().create_domain('example.com')
+            self.domain = self.mm_client.create_domain('example.com')
         except HTTPError:
-            self.domain = get_client().get_domain('example.com')
+            self.domain = self.mm_client.get_domain('example.com')
         self.foo_list = self.domain.create_list('foo')
         self.su = User.objects.create_superuser(
             'su', 'su@example.com', 'pwd')
-        # login and post new owner data to url
         self.client.login(username='su', password='pwd')
-        self.client.post(
-            reverse('list_members', args=('foo@example.com', )),
-            {'owner_email': 'newowner@example.com'})
-        owners = self.foo_list.owners
 
-    @MM_VCR.use_cassette('test_list_members_add_owner.yaml')
+    @MM_VCR.use_cassette('test_list_members_owner.yaml')
     def tearDown(self):
         self.foo_list.delete()
         self.su.delete()
 
-    @MM_VCR.use_cassette('test_list_members_add_owner_new_owner_added.yaml')
-    def test_new_owner_added(self):
-        self.assertTrue(u'newowner@example.com' in self.foo_list.owners)
+    @MM_VCR.use_cassette('test_list_members_owner_add_remove.yaml')
+    def test_add_remove_owner(self):
+        self.client.post(
+            reverse('list_members', args=('foo@example.com', )),
+            {'owner_email': 'newowner@example.com'})
+        self.assertTrue('newowner@example.com' in self.foo_list.owners)
+        self.client.post(
+            reverse('remove_role', args=('foo@example.com', 'owner',
+                                         'newowner@example.com')))
+        self.assertFalse('newowner@example.com' in self.foo_list.owners)
+
+    @MM_VCR.use_cassette('test_list_members_owner_by_owner.yaml')
+    def test_remove_owner_as_owner(self):
+        self.mm_client.get_list('foo@example.com').add_owner('su@example.com')
+        self.assertTrue('su@example.com' in self.foo_list.owners)
+        # Make the logged in user a simple list owner
+        self.su.is_superuser = False
+        self.su.save()
+        # It must still be allowed to create and remove owners
+        self.client.post(
+            reverse('list_members', args=('foo@example.com', )),
+            {'owner_email': 'newowner@example.com'})
+        self.assertTrue('newowner@example.com' in self.foo_list.owners)
+        response = self.client.post(
+            reverse('remove_role', args=('foo@example.com', 'owner',
+                                         'newowner@example.com')))
+        self.assertFalse('newowner@example.com' in self.foo_list.owners)
+        msgs = get_flash_messages(response)
+        self.assertEqual(len(msgs), 1)
+        self.assertEqual(msgs[0].level, messages.SUCCESS, msgs[0].message)
+        # But not to remove itself
+        response = self.client.post(
+            reverse('remove_role', args=('foo@example.com', 'owner',
+                                         'su@example.com')))
+        self.assertTrue('su@example.com' in self.foo_list.owners)
+        self.assertEqual(response.status_code, 302)
+        msgs = get_flash_messages(response)
+        self.assertEqual(len(msgs), 2)
+        self.assertEqual(msgs[1].level, messages.ERROR, msgs[1].message)
+
 
 
 @override_settings(**API_CREDENTIALS)
diff --git a/src/postorius/tests/mailman_api_tests/test_list_metrics.py b/src/postorius/tests/mailman_api_tests/test_list_metrics.py
index 4c12968..6015391 100644
--- a/src/postorius/tests/mailman_api_tests/test_list_metrics.py
+++ b/src/postorius/tests/mailman_api_tests/test_list_metrics.py
@@ -48,7 +48,7 @@
         if "%40" not in url: # Django < 1.8
             url = quote(url)
         expected_redirect = "http://testserver%s?next=%s" % (
-            settings.LOGIN_URL, url)
+            reverse(settings.LOGIN_URL), url)
         self.assertEqual(response.status_code, 302)
         self.assertEqual(response["location"], expected_redirect)
 
diff --git a/src/postorius/views/list.py b/src/postorius/views/list.py
index 76197e2..769f9f5 100644
--- a/src/postorius/views/list.py
+++ b/src/postorius/views/list.py
@@ -837,7 +837,8 @@
                               context_instance=RequestContext(request))
 
 
-@user_passes_test(lambda u: u.is_superuser)
+@login_required
+@list_owner_required
 def remove_role(request, list_id=None, role=None, address=None,
                 template='postorius/lists/confirm_remove_role.html'):
     """Removes a list moderator or owner.
@@ -852,6 +853,12 @@
             messages.error(request,
                            _('The user {} is not an owner'.format(address)))
             return redirect("list_members", the_list.list_id)
+        # the user may not have a other_emails property if it's a superuser
+        user_addresses = set([request.user.email]) | \
+            set(getattr(request.user, 'other_emails', []))
+        if address in user_addresses:
+            messages.error(request, _('You cannot remove yourself.'))
+            return redirect("list_members", the_list.list_id)
     elif role == 'moderator':
         if address not in the_list.moderators:
             messages.error(request,
diff --git a/testing/test_settings.py b/testing/test_settings.py
index 5ca0be5..ff86e57 100755
--- a/testing/test_settings.py
+++ b/testing/test_settings.py
@@ -141,9 +141,8 @@
     # These are only used for development
     # 'debug_toolbar',
 )
-LOGIN_URL          = '/postorius/accounts/login/'
-LOGIN_REDIRECT_URL = '/postorius/'
-LOGIN_ERROR_URL    = '/postorius/accounts/login/'
+LOGIN_URL          = 'user_login'
+LOGIN_REDIRECT_URL = 'list_index'
 
 def username(email):
     return email.rsplit('@', 1)[0]