Ansible role: Dovecot

Basic dovecot installation with submission protocol support.

Features:

1. Handles IMAP protocol and authenticated mail submission through port 587.
2. dovecot_users variable provides user account configuration according to the passwd-file format [0].
3. System's PAM authentication is disabled is disabled in 10-auth.conf and only passwd-file is left enabled.
4. Mailbox path is configured in 10-mail.conf to be {{ dovecot_mailbox_root_dir }}/%d/%n. For example for test@example.com account and {{ dovecot_mailbox_root_dir }} = /home/vmail the path will be /home/vmail/example.com/test. Mail Delivery Agent have to be configured in the same way to deliver messages to the correct mailbox. Postfix for example can be configured with virtual_mailbox_base and virtual_mailbox_maps [1] options.

[0]: Passwd-file file format description: https://doc.dovecot.org/configuration_manual/authentication/passwd_file/
[1]: http://www.postfix.org/VIRTUAL_README.html#virtual_mailbox

Requirements

• Mail Delivery Agent (eg. Postfix). Dovecot's submission handler will pass received message to the SMTP server.

Role Variables

dovecot_mailbox_root_dir: /home/vmail
dovecot_cert_path: /etc/ssl/certs/ssl-cert-snakeoil.pem
dovecot_privkey_path: /etc/ssl/private/ssl-cert-snakeoil.key
dovecot_submission_hostname: mail.example.com
dovecot_users: []  # {login, password, uid, gid, home}

License

MIT