currently supported:

• mailman

planned:

• sympa

maybe:

• ezmlm
• majordomo
• /etc/aliases :include:
• ?

• subscribe
• unsubscribe
• enquiry of an address
• member count
• member checksum: sha265, hex digest

• https://<web.frontend.server>/mlm-api/<mailing.list.server>/<listname>/<mailaddr>
  • GET - enquire mail address
  • POST - add mail address
  • DELETE - remove mail address
• https://<web.frontend.server>/mlm-api/<mailing.list.server>/<listname>/*/count
• https://<web.frontend.server>/mlm-api/<mailing.list.server>/<listname>/*/sha256

• pseudocode: list members | lowercase | sort | sha256 (hex)
• sh: list_members mitglieder | tr 'A-Z' 'a-z' | sort | tr -d '\n' | sha256sum

# check:
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/john.doe@example.org 
  -> ''
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/*/count
  -> 23
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/*/sha256
  -> d95802911a5eff4b3d757f1a20bd021c51c7d1ea418f76162cedb48a6016aa4d

# add member:
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/john.doe@example.org -X POST -d ''
  -> ''

# check again:
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/john.doe@example.org
  -> 'john.doe@example.org'
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/*/count
  -> 24
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/*/sha256
  -> 3ef60a43d296065c6e4bd0a41c9fee5c140eaa9ed91071a4c98d2347e412f227

# remove member:
curl https://www.example.org/mlm-api/lists.example.org/staff/john.doe@example.org -X DELETE
  -> ''

# check once more:
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/*/count
  -> 23
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/john.doe@example.org
  -> ''
curl -u adminuser https://www.example.org/mlm-api/lists.example.org/staff/*/sha256
  -> d95802911a5eff4b3d757f1a20bd021c51c7d1ea418f76162cedb48a6016aa4d

Example from Debian 7/8 Apache installation with Mailman:

# mlm-api is stored as /var/www/{my.domain}/exec/mlm-api

touch /etc/sudoers.d/mlm-api
visudo -f /etc/sudoers.d/mlm-api
        www-data ALL=(list:ALL) NOPASSWD: /usr/sbin/list_members
        www-data ALL=(list:ALL) NOPASSWD: /usr/sbin/add_members
        www-data ALL=(list:ALL) NOPASSWD: /usr/sbin/remove_members

touch    /var/www/{my.domain}/auth/htpasswd-mlm-api
htpasswd /var/www/{my.domain}/auth/htpasswd-mlm-api {user1}
htpasswd /var/www/{my.domain}/auth/htpasswd-mlm-api {user2}

/etc/apache/sites-available/{my.domain}.conf

    ScriptAlias /mlm-api    /var/www/{my.domain}/exec/mlm-api

    <location /mlm-api >
            AuthType Basic
            AuthName mlm-api
            AuthUserFile /var/www/{my.domain}/auth/htpasswd-mlm-api
            require valid-user
    </location>

/etc/init.d/apache2 reload