diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_moderator.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_moderator.yaml
new file mode 100644
index 0000000..a28f87c
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_moderator.yaml
@@ -0,0 +1,241 @@
+interactions:
+- request:
+    body: password=None&display_name=&email=test%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/users
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      location: ['http://localhost:9001/3.0/users/219398410233519692238726820042175099070']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"mail_host": "example.com", "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "list_id": "foo.example.com", "member_count": 0, "fqdn_listname": "foo@example.com",
+        "display_name": "Foo", "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "list_name": "foo", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: role=moderator&list_id=foo.example.com&subscriber=test%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      location: ['http://localhost:9001/3.0/members/64253964043771654525484196513363995267']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"mail_host": "example.com", "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "list_id": "foo.example.com", "member_count": 0, "fqdn_listname": "foo@example.com",
+        "display_name": "Foo", "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "list_name": "foo", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/test@example.com
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"274fc089dca364b6af119eb65e97777f63ad4908\"",
+        "is_server_owner": false, "created_on": "2015-11-11T10:06:25.323662", "user_id":
+        219398410233519692238726820042175099070, "password": "$6$rounds=657737$ktLxC73H3fn7.9kS$1WWJHj/3p0.DS6nI7p.m8kNMC8CgoKZa5QpTcnmTFNkifNHtZAWLuYxgs3xW1gpytVtbf6k3feinGo9QHiGXi.",
+        "self_link": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070"}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/219398410233519692238726820042175099070
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"274fc089dca364b6af119eb65e97777f63ad4908\"",
+        "is_server_owner": false, "created_on": "2015-11-11T10:06:25.323662", "user_id":
+        219398410233519692238726820042175099070, "password": "$6$rounds=657737$ktLxC73H3fn7.9kS$1WWJHj/3p0.DS6nI7p.m8kNMC8CgoKZa5QpTcnmTFNkifNHtZAWLuYxgs3xW1gpytVtbf6k3feinGo9QHiGXi.",
+        "self_link": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070"}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/219398410233519692238726820042175099070/addresses
+  response:
+    body: {string: !!python/unicode '{"start": 0, "http_etag": "\"285b48da1d7487a7338bcd1bc4b9783d9840e261\"",
+        "total_size": 1, "entries": [{"user": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070",
+        "http_etag": "\"9d7b8de3c859b9e7d75fc9ec0c357b6667e45198\"", "original_email":
+        "test@example.com", "registered_on": "2015-11-11T10:06:25.323295", "self_link":
+        "http://localhost:9001/3.0/addresses/test@example.com", "email": "test@example.com"}]}'}
+    headers:
+      content-length: ['432']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/addresses/test@example.com
+  response:
+    body: {string: !!python/unicode '{"user": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070",
+        "http_etag": "\"9d7b8de3c859b9e7d75fc9ec0c357b6667e45198\"", "original_email":
+        "test@example.com", "registered_on": "2015-11-11T10:06:25.323295", "self_link":
+        "http://localhost:9001/3.0/addresses/test@example.com", "email": "test@example.com"}'}
+    headers:
+      content-length: ['327']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"start": 0, "http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
+  response:
+    body: {string: !!python/unicode '{"start": 0, "http_etag": "\"4714ac01bafe8574d550a1583d85d4131856aecb\"",
+        "total_size": 1, "entries": [{"user": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070",
+        "http_etag": "\"53753a482a264202d6d0189bb7873d7122201646\"", "member_id":
+        64253964043771654525484196513363995267, "email": "test@example.com", "delivery_mode":
+        "regular", "address": "http://localhost:9001/3.0/addresses/test@example.com",
+        "role": "moderator", "list_id": "foo.example.com", "self_link": "http://localhost:9001/3.0/members/64253964043771654525484196513363995267"}]}'}
+    headers:
+      content-length: ['566']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/member/test@example.com
+  response:
+    body: {string: !!python/unicode '{}'}
+    headers:
+      content-length: ['2']
+      content-type: [application/json]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 404, message: Not Found}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/config
+  response:
+    body: {string: !!python/unicode '{"digest_size_threshold": 30.0, "mail_host":
+        "example.com", "http_etag": "\"8d8e1c058abe7a8b30d33e6be7f82d13150b48cc\"",
+        "fqdn_listname": "foo@example.com", "reply_goes_to_list": "no_munging", "filter_content":
+        false, "created_at": "2015-11-11T10:06:24.661601", "web_host": "example.com",
+        "autorespond_owner": "none", "archive_policy": "public", "join_address": "foo-join@example.com",
+        "autoresponse_request_text": "", "reply_to_address": "", "posting_address":
+        "foo@example.com", "post_id": 1, "volume": 1, "admin_notify_mchanges": false,
+        "autoresponse_grace_period": "90d", "advertised": true, "subject_prefix":
+        "[Foo] ", "bounces_address": "foo-bounces@example.com", "include_rfc2369_headers":
+        true, "display_name": "Foo", "send_welcome_message": true, "administrivia":
+        true, "default_nonmember_action": "hold", "allow_list_posts": true, "description":
+        "", "next_digest_number": 1, "default_member_action": "defer", "first_strip_reply_to":
+        false, "subscription_policy": "confirm", "admin_immed_notify": true, "anonymous_list":
+        false, "autorespond_requests": "none", "list_name": "foo", "last_post_at":
+        null, "welcome_message_uri": "mailman:///welcome.txt", "convert_html_to_plaintext":
+        false, "autoresponse_owner_text": "", "no_reply_address": "noreply@example.com",
+        "request_address": "foo-request@example.com", "scheme": "http", "owner_address":
+        "foo-owner@example.com", "autorespond_postings": "none", "digest_last_sent_at":
+        null, "collapse_alternatives": true, "acceptable_aliases": [], "posting_pipeline":
+        "default-posting-pipeline", "autoresponse_postings_text": "", "leave_address":
+        "foo-leave@example.com"}'}
+    headers:
+      content-length: ['1617']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+version: 1
diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_owner.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_owner.yaml
new file mode 100644
index 0000000..80c7c31
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_owner.yaml
@@ -0,0 +1,241 @@
+interactions:
+- request:
+    body: password=None&display_name=&email=test%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/users
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      location: ['http://localhost:9001/3.0/users/219398410233519692238726820042175099070']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"mail_host": "example.com", "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "list_id": "foo.example.com", "member_count": 0, "fqdn_listname": "foo@example.com",
+        "display_name": "Foo", "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "list_name": "foo", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: role=owner&list_id=foo.example.com&subscriber=test%40example.com
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'content-type': [!!python/unicode 'application/x-www-form-urlencoded']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'POST'
+    uri: http://localhost:9001/3.0/members
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      location: ['http://localhost:9001/3.0/members/64253964043771654525484196513363995267']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 201, message: Created}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com
+  response:
+    body: {string: !!python/unicode '{"mail_host": "example.com", "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "list_id": "foo.example.com", "member_count": 0, "fqdn_listname": "foo@example.com",
+        "display_name": "Foo", "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "list_name": "foo", "volume": 1}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/test@example.com
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"274fc089dca364b6af119eb65e97777f63ad4908\"",
+        "is_server_owner": false, "created_on": "2015-11-11T10:06:25.323662", "user_id":
+        219398410233519692238726820042175099070, "password": "$6$rounds=657737$ktLxC73H3fn7.9kS$1WWJHj/3p0.DS6nI7p.m8kNMC8CgoKZa5QpTcnmTFNkifNHtZAWLuYxgs3xW1gpytVtbf6k3feinGo9QHiGXi.",
+        "self_link": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070"}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/219398410233519692238726820042175099070
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"274fc089dca364b6af119eb65e97777f63ad4908\"",
+        "is_server_owner": false, "created_on": "2015-11-11T10:06:25.323662", "user_id":
+        219398410233519692238726820042175099070, "password": "$6$rounds=657737$ktLxC73H3fn7.9kS$1WWJHj/3p0.DS6nI7p.m8kNMC8CgoKZa5QpTcnmTFNkifNHtZAWLuYxgs3xW1gpytVtbf6k3feinGo9QHiGXi.",
+        "self_link": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070"}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/users/219398410233519692238726820042175099070/addresses
+  response:
+    body: {string: !!python/unicode '{"start": 0, "http_etag": "\"285b48da1d7487a7338bcd1bc4b9783d9840e261\"",
+        "total_size": 1, "entries": [{"user": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070",
+        "http_etag": "\"9d7b8de3c859b9e7d75fc9ec0c357b6667e45198\"", "original_email":
+        "test@example.com", "registered_on": "2015-11-11T10:06:25.323295", "self_link":
+        "http://localhost:9001/3.0/addresses/test@example.com", "email": "test@example.com"}]}'}
+    headers:
+      content-length: ['432']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/addresses/test@example.com
+  response:
+    body: {string: !!python/unicode '{"user": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070",
+        "http_etag": "\"9d7b8de3c859b9e7d75fc9ec0c357b6667e45198\"", "original_email":
+        "test@example.com", "registered_on": "2015-11-11T10:06:25.323295", "self_link":
+        "http://localhost:9001/3.0/addresses/test@example.com", "email": "test@example.com"}'}
+    headers:
+      content-length: ['327']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/owner
+  response:
+    body: {string: !!python/unicode '{"start": 0, "http_etag": "\"4714ac01bafe8574d550a1583d85d4131856aecb\"",
+        "total_size": 1, "entries": [{"user": "http://localhost:9001/3.0/users/219398410233519692238726820042175099070",
+        "http_etag": "\"53753a482a264202d6d0189bb7873d7122201646\"", "member_id":
+        64253964043771654525484196513363995267, "email": "test@example.com", "delivery_mode":
+        "regular", "address": "http://localhost:9001/3.0/addresses/test@example.com",
+        "role": "owner", "list_id": "foo.example.com", "self_link": "http://localhost:9001/3.0/members/64253964043771654525484196513363995267"}]}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/roster/moderator
+  response:
+    body: {string: !!python/unicode '{"start": 0, "http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "total_size": 0}'}
+    headers:
+      content-length: ['566']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo.example.com/member/test@example.com
+  response:
+    body: {string: !!python/unicode '{}'}
+    headers:
+      content-length: ['2']
+      content-type: [application/json]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 404, message: Not Found}
+- request:
+    body: null
+    headers:
+      accept-encoding: ['gzip, deflate']
+      !!python/unicode 'authorization': [!!python/unicode 'Basic cmVzdGFkbWluOnJlc3RwYXNz']
+      !!python/unicode 'user-agent': [!!python/unicode 'GNU Mailman REST client v1.0.0']
+    method: !!python/unicode 'GET'
+    uri: http://localhost:9001/3.0/lists/foo@example.com/config
+  response:
+    body: {string: !!python/unicode '{"digest_size_threshold": 30.0, "mail_host":
+        "example.com", "http_etag": "\"8d8e1c058abe7a8b30d33e6be7f82d13150b48cc\"",
+        "fqdn_listname": "foo@example.com", "reply_goes_to_list": "no_munging", "filter_content":
+        false, "created_at": "2015-11-11T10:06:24.661601", "web_host": "example.com",
+        "autorespond_owner": "none", "archive_policy": "public", "join_address": "foo-join@example.com",
+        "autoresponse_request_text": "", "reply_to_address": "", "posting_address":
+        "foo@example.com", "post_id": 1, "volume": 1, "admin_notify_mchanges": false,
+        "autoresponse_grace_period": "90d", "advertised": true, "subject_prefix":
+        "[Foo] ", "bounces_address": "foo-bounces@example.com", "include_rfc2369_headers":
+        true, "display_name": "Foo", "send_welcome_message": true, "administrivia":
+        true, "default_nonmember_action": "hold", "allow_list_posts": true, "description":
+        "", "next_digest_number": 1, "default_member_action": "defer", "first_strip_reply_to":
+        false, "subscription_policy": "confirm", "admin_immed_notify": true, "anonymous_list":
+        false, "autorespond_requests": "none", "list_name": "foo", "last_post_at":
+        null, "welcome_message_uri": "mailman:///welcome.txt", "convert_html_to_plaintext":
+        false, "autoresponse_owner_text": "", "no_reply_address": "noreply@example.com",
+        "request_address": "foo-request@example.com", "scheme": "http", "owner_address":
+        "foo-owner@example.com", "autorespond_postings": "none", "digest_last_sent_at":
+        null, "collapse_alternatives": true, "acceptable_aliases": [], "posting_pipeline":
+        "default-posting-pipeline", "autoresponse_postings_text": "", "leave_address":
+        "foo-leave@example.com"}'}
+    headers:
+      content-length: ['1617']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 10:06:26 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+version: 1
diff --git a/src/postorius/tests/mailman_api_tests/test_list_summary.py b/src/postorius/tests/mailman_api_tests/test_list_summary.py
index f12a88e..b5c8b5d 100644
--- a/src/postorius/tests/mailman_api_tests/test_list_summary.py
+++ b/src/postorius/tests/mailman_api_tests/test_list_summary.py
@@ -112,6 +112,30 @@
         self.assertTrue('Change Subscription' in response.content)
         self.assertTrue('Unsubscribe' in response.content)
 
+    @MM_VCR.use_cassette('test_list_summary_owner.yaml')
+    def test_list_summary_owner(self):
+        # Response must contain the administration menu
+        user = self.mmclient.create_user('test@example.com', None)
+        mlist = self.mmclient.get_list('foo@example.com')
+        mlist.add_owner('test@example.com')
+        self.client.login(username='testuser', password='testpass')
+        response = self.client.get(reverse('list_summary',
+                                   args=('foo@example.com', )))
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, '<li class="mm_nav_item">', count=9)
+
+    @MM_VCR.use_cassette('test_list_summary_moderator.yaml')
+    def test_list_summary_moderator(self):
+        # Response must contain the administration menu
+        user = self.mmclient.create_user('test@example.com', None)
+        mlist = self.mmclient.get_list('foo@example.com')
+        mlist.add_moderator('test@example.com')
+        self.client.login(username='testuser', password='testpass')
+        response = self.client.get(reverse('list_summary',
+                                   args=('foo@example.com', )))
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, '<li class="mm_nav_item">', count=3)
+
     @MM_VCR.use_cassette('test_list_summary_secondary_owner.yaml')
     def test_list_summary_is_admin_secondary_owner(self):
         # Response must contain the administration menu