diff --git a/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_secondary_moderator.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_secondary_moderator.yaml
new file mode 100644
index 0000000..0e01252
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_secondary_moderator.yaml
@@ -0,0 +1,313 @@
+interactions:
+- request:
+    body: display_name=&password=None&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 09:15:54 GMT']
+      location: ['http://localhost:9001/3.0/users/270387690459968603267458687775118477393']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 201, message: Created}
+- request:
+    body: email=anotheremail%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/270387690459968603267458687775118477393/addresses
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 09:15:55 GMT']
+      location: ['http://localhost:9001/3.0/addresses/anotheremail@example.com']
+      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 'POST'
+    uri: http://localhost:9001/3.0/addresses/anotheremail@example.com/verify
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 09:15:55 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 204, message: No Content}
+- 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 '{"list_id": "foo.example.com", "mail_host": "example.com",
+        "list_name": "foo", "member_count": 0, "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "fqdn_listname": "foo@example.com", "volume": 1, "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "display_name": "Foo"}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: role=moderator&list_id=foo.example.com&subscriber=anotheremail%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 09:15:55 GMT']
+      location: ['http://localhost:9001/3.0/members/167810063128386830859080802237709622397']
+      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 '{"list_id": "foo.example.com", "mail_host": "example.com",
+        "list_name": "foo", "member_count": 0, "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "fqdn_listname": "foo@example.com", "volume": 1, "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "display_name": "Foo"}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"self_link": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "created_on": "2015-11-11T09:15:54.098984", "user_id": 270387690459968603267458687775118477393,
+        "http_etag": "\"b1f415040c829e111a4cad8afd8efeda7bda929a\"", "password": "$6$rounds=626264$cNtQFSnFZ4S/DTbL$fp.zIYsm6IC34B46G0LugZtfY8E93Oojw.hTmFH7YRcX6k8K/pEk/U4hrIC8DmSCTvtmoCqactE7cS9i6Wns0/",
+        "is_server_owner": false}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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/270387690459968603267458687775118477393
+  response:
+    body: {string: !!python/unicode '{"self_link": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "created_on": "2015-11-11T09:15:54.098984", "user_id": 270387690459968603267458687775118477393,
+        "http_etag": "\"b1f415040c829e111a4cad8afd8efeda7bda929a\"", "password": "$6$rounds=626264$cNtQFSnFZ4S/DTbL$fp.zIYsm6IC34B46G0LugZtfY8E93Oojw.hTmFH7YRcX6k8K/pEk/U4hrIC8DmSCTvtmoCqactE7cS9i6Wns0/",
+        "is_server_owner": false}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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/270387690459968603267458687775118477393/addresses
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"095c886cc2c87267e121d4a1974b495183e6fd93\"",
+        "start": 0, "total_size": 2, "entries": [{"self_link": "http://localhost:9001/3.0/addresses/anotheremail@example.com",
+        "registered_on": "2015-11-11T09:15:54.974939", "http_etag": "\"989cb1d30416a8dd9f2f7abf31a94c085af851c6\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "anotheremail@example.com", "verified_on": "2015-11-11T09:15:55.068609",
+        "original_email": "anotheremail@example.com"}, {"self_link": "http://localhost:9001/3.0/addresses/test@example.com",
+        "registered_on": "2015-11-11T09:15:54.098549", "http_etag": "\"c95a6da19b8041a3a01d616f8daa2115690badfc\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "test@example.com", "original_email": "test@example.com"}]}'}
+    headers:
+      content-length: ['830']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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/anotheremail@example.com
+  response:
+    body: {string: !!python/unicode '{"self_link": "http://localhost:9001/3.0/addresses/anotheremail@example.com",
+        "registered_on": "2015-11-11T09:15:54.974939", "http_etag": "\"989cb1d30416a8dd9f2f7abf31a94c085af851c6\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "anotheremail@example.com", "verified_on": "2015-11-11T09:15:55.068609",
+        "original_email": "anotheremail@example.com"}'}
+    headers:
+      content-length: ['396']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"self_link": "http://localhost:9001/3.0/addresses/test@example.com",
+        "registered_on": "2015-11-11T09:15:54.098549", "http_etag": "\"c95a6da19b8041a3a01d616f8daa2115690badfc\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "test@example.com", "original_email": "test@example.com"}'}
+    headers:
+      content-length: ['327']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['580']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"http_etag": "\"4d9619b758f2e0c5bf8f7c65460e199a9a13ad65\"",
+        "start": 0, "total_size": 1, "entries": [{"self_link": "http://localhost:9001/3.0/members/167810063128386830859080802237709622397",
+        "member_id": 167810063128386830859080802237709622397, "role": "moderator", "http_etag":
+        "\"7ffccfad084044c9b107a08e659d827ee46d1500\"", "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "address": "http://localhost:9001/3.0/addresses/anotheremail@example.com",
+        "email": "anotheremail@example.com", "list_id": "foo.example.com", "delivery_mode":
+        "regular"}]}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 09:15:55 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/member/anotheremail@example.com
+  response:
+    body: {string: !!python/unicode '{}'}
+    headers:
+      content-length: ['2']
+      content-type: [application/json]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"filter_content": false, "display_name": "Foo",
+        "autorespond_postings": "none", "autorespond_requests": "none", "web_host":
+        "example.com", "volume": 1, "include_rfc2369_headers": true, "subscription_policy":
+        "confirm", "admin_immed_notify": true, "mail_host": "example.com", "posting_pipeline":
+        "default-posting-pipeline", "join_address": "foo-join@example.com", "administrivia":
+        true, "autorespond_owner": "none", "no_reply_address": "noreply@example.com",
+        "archive_policy": "public", "digest_size_threshold": 30.0, "request_address":
+        "foo-request@example.com", "admin_notify_mchanges": false, "welcome_message_uri":
+        "mailman:///welcome.txt", "scheme": "http", "default_nonmember_action": "hold",
+        "convert_html_to_plaintext": false, "autoresponse_owner_text": "", "description":
+        "", "list_name": "foo", "bounces_address": "foo-bounces@example.com", "subject_prefix":
+        "[Foo] ", "posting_address": "foo@example.com", "reply_goes_to_list": "no_munging",
+        "anonymous_list": false, "autoresponse_postings_text": "", "post_id": 1, "allow_list_posts":
+        true, "next_digest_number": 1, "created_at": "2015-11-11T09:15:53.622121",
+        "collapse_alternatives": true, "owner_address": "foo-owner@example.com", "acceptable_aliases":
+        [], "last_post_at": null, "first_strip_reply_to": false, "reply_to_address":
+        "", "leave_address": "foo-leave@example.com", "fqdn_listname": "foo@example.com",
+        "send_welcome_message": true, "default_member_action": "defer", "advertised":
+        true, "autoresponse_grace_period": "90d", "http_etag": "\"a10382b38c19ab3f96aba0b521660b0a3bec0b5f\"",
+        "autoresponse_request_text": "", "digest_last_sent_at": null}'}
+    headers:
+      content-length: ['1617']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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_secondary_owner.yaml b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_secondary_owner.yaml
new file mode 100644
index 0000000..923c1bf
--- /dev/null
+++ b/src/postorius/tests/fixtures/vcr_cassettes/test_list_summary_secondary_owner.yaml
@@ -0,0 +1,313 @@
+interactions:
+- request:
+    body: display_name=&password=None&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 09:15:54 GMT']
+      location: ['http://localhost:9001/3.0/users/270387690459968603267458687775118477393']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 201, message: Created}
+- request:
+    body: email=anotheremail%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/270387690459968603267458687775118477393/addresses
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 09:15:55 GMT']
+      location: ['http://localhost:9001/3.0/addresses/anotheremail@example.com']
+      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 'POST'
+    uri: http://localhost:9001/3.0/addresses/anotheremail@example.com/verify
+  response:
+    body: {string: !!python/unicode ''}
+    headers:
+      content-length: ['0']
+      date: ['Wed, 11 Nov 2015 09:15:55 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 204, message: No Content}
+- 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 '{"list_id": "foo.example.com", "mail_host": "example.com",
+        "list_name": "foo", "member_count": 0, "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "fqdn_listname": "foo@example.com", "volume": 1, "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "display_name": "Foo"}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 GMT']
+      server: [WSGIServer/0.2 CPython/3.4.2]
+    status: {code: 200, message: OK}
+- request:
+    body: role=owner&list_id=foo.example.com&subscriber=anotheremail%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 09:15:55 GMT']
+      location: ['http://localhost:9001/3.0/members/167810063128386830859080802237709622397']
+      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 '{"list_id": "foo.example.com", "mail_host": "example.com",
+        "list_name": "foo", "member_count": 0, "self_link": "http://localhost:9001/3.0/lists/foo.example.com",
+        "fqdn_listname": "foo@example.com", "volume": 1, "http_etag": "\"698a819bbb6b902096a8c5543cc7fac2328960d5\"",
+        "display_name": "Foo"}'}
+    headers:
+      content-length: ['294']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"self_link": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "created_on": "2015-11-11T09:15:54.098984", "user_id": 270387690459968603267458687775118477393,
+        "http_etag": "\"b1f415040c829e111a4cad8afd8efeda7bda929a\"", "password": "$6$rounds=626264$cNtQFSnFZ4S/DTbL$fp.zIYsm6IC34B46G0LugZtfY8E93Oojw.hTmFH7YRcX6k8K/pEk/U4hrIC8DmSCTvtmoCqactE7cS9i6Wns0/",
+        "is_server_owner": false}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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/270387690459968603267458687775118477393
+  response:
+    body: {string: !!python/unicode '{"self_link": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "created_on": "2015-11-11T09:15:54.098984", "user_id": 270387690459968603267458687775118477393,
+        "http_etag": "\"b1f415040c829e111a4cad8afd8efeda7bda929a\"", "password": "$6$rounds=626264$cNtQFSnFZ4S/DTbL$fp.zIYsm6IC34B46G0LugZtfY8E93Oojw.hTmFH7YRcX6k8K/pEk/U4hrIC8DmSCTvtmoCqactE7cS9i6Wns0/",
+        "is_server_owner": false}'}
+    headers:
+      content-length: ['407']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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/270387690459968603267458687775118477393/addresses
+  response:
+    body: {string: !!python/unicode '{"http_etag": "\"095c886cc2c87267e121d4a1974b495183e6fd93\"",
+        "start": 0, "total_size": 2, "entries": [{"self_link": "http://localhost:9001/3.0/addresses/anotheremail@example.com",
+        "registered_on": "2015-11-11T09:15:54.974939", "http_etag": "\"989cb1d30416a8dd9f2f7abf31a94c085af851c6\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "anotheremail@example.com", "verified_on": "2015-11-11T09:15:55.068609",
+        "original_email": "anotheremail@example.com"}, {"self_link": "http://localhost:9001/3.0/addresses/test@example.com",
+        "registered_on": "2015-11-11T09:15:54.098549", "http_etag": "\"c95a6da19b8041a3a01d616f8daa2115690badfc\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "test@example.com", "original_email": "test@example.com"}]}'}
+    headers:
+      content-length: ['830']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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/anotheremail@example.com
+  response:
+    body: {string: !!python/unicode '{"self_link": "http://localhost:9001/3.0/addresses/anotheremail@example.com",
+        "registered_on": "2015-11-11T09:15:54.974939", "http_etag": "\"989cb1d30416a8dd9f2f7abf31a94c085af851c6\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "anotheremail@example.com", "verified_on": "2015-11-11T09:15:55.068609",
+        "original_email": "anotheremail@example.com"}'}
+    headers:
+      content-length: ['396']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"self_link": "http://localhost:9001/3.0/addresses/test@example.com",
+        "registered_on": "2015-11-11T09:15:54.098549", "http_etag": "\"c95a6da19b8041a3a01d616f8daa2115690badfc\"",
+        "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "email": "test@example.com", "original_email": "test@example.com"}'}
+    headers:
+      content-length: ['327']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"http_etag": "\"4d9619b758f2e0c5bf8f7c65460e199a9a13ad65\"",
+        "start": 0, "total_size": 1, "entries": [{"self_link": "http://localhost:9001/3.0/members/167810063128386830859080802237709622397",
+        "member_id": 167810063128386830859080802237709622397, "role": "owner", "http_etag":
+        "\"7ffccfad084044c9b107a08e659d827ee46d1500\"", "user": "http://localhost:9001/3.0/users/270387690459968603267458687775118477393",
+        "address": "http://localhost:9001/3.0/addresses/anotheremail@example.com",
+        "email": "anotheremail@example.com", "list_id": "foo.example.com", "delivery_mode":
+        "regular"}]}'}
+    headers:
+      content-length: ['580']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"http_etag": "\"32223434a0f3af4cdc4673d1fbc5bac1f6d98fd3\"",
+        "start": 0, "total_size": 0}'}
+    headers:
+      content-length: ['90']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 09:15:55 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/member/anotheremail@example.com
+  response:
+    body: {string: !!python/unicode '{}'}
+    headers:
+      content-length: ['2']
+      content-type: [application/json]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 '{"filter_content": false, "display_name": "Foo",
+        "autorespond_postings": "none", "autorespond_requests": "none", "web_host":
+        "example.com", "volume": 1, "include_rfc2369_headers": true, "subscription_policy":
+        "confirm", "admin_immed_notify": true, "mail_host": "example.com", "posting_pipeline":
+        "default-posting-pipeline", "join_address": "foo-join@example.com", "administrivia":
+        true, "autorespond_owner": "none", "no_reply_address": "noreply@example.com",
+        "archive_policy": "public", "digest_size_threshold": 30.0, "request_address":
+        "foo-request@example.com", "admin_notify_mchanges": false, "welcome_message_uri":
+        "mailman:///welcome.txt", "scheme": "http", "default_nonmember_action": "hold",
+        "convert_html_to_plaintext": false, "autoresponse_owner_text": "", "description":
+        "", "list_name": "foo", "bounces_address": "foo-bounces@example.com", "subject_prefix":
+        "[Foo] ", "posting_address": "foo@example.com", "reply_goes_to_list": "no_munging",
+        "anonymous_list": false, "autoresponse_postings_text": "", "post_id": 1, "allow_list_posts":
+        true, "next_digest_number": 1, "created_at": "2015-11-11T09:15:53.622121",
+        "collapse_alternatives": true, "owner_address": "foo-owner@example.com", "acceptable_aliases":
+        [], "last_post_at": null, "first_strip_reply_to": false, "reply_to_address":
+        "", "leave_address": "foo-leave@example.com", "fqdn_listname": "foo@example.com",
+        "send_welcome_message": true, "default_member_action": "defer", "advertised":
+        true, "autoresponse_grace_period": "90d", "http_etag": "\"a10382b38c19ab3f96aba0b521660b0a3bec0b5f\"",
+        "autoresponse_request_text": "", "digest_last_sent_at": null}'}
+    headers:
+      content-length: ['1617']
+      content-type: [application/json; charset=utf-8]
+      date: ['Wed, 11 Nov 2015 09:15:55 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 f879055..f12a88e 100644
--- a/src/postorius/tests/mailman_api_tests/test_list_summary.py
+++ b/src/postorius/tests/mailman_api_tests/test_list_summary.py
@@ -111,3 +111,31 @@
         self.assertEqual(response.status_code, 200)
         self.assertTrue('Change Subscription' in response.content)
         self.assertTrue('Unsubscribe' in response.content)
+
+    @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
+        user = self.mmclient.create_user('test@example.com', None)
+        address = user.add_address('anotheremail@example.com')
+        address.verify()
+        mlist = self.mmclient.get_list('foo@example.com')
+        mlist.add_owner('anotheremail@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_secondary_moderator.yaml')
+    def test_list_summary_is_admin_secondary_moderator(self):
+        # Response must contain the administration menu
+        user = self.mmclient.create_user('test@example.com', None)
+        address = user.add_address('anotheremail@example.com')
+        address.verify()
+        mlist = self.mmclient.get_list('foo@example.com')
+        mlist.add_moderator('anotheremail@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)