trellis/roles/ssmtp/defaults/main.yml
ssmtp_package: ssmtp
ssmtp_auth_method: LOGIN
ssmtp_from_override: 'Yes'
ssmtp_start_tls: 'Yes'
ssmtp_tls: 'Yes'
# ssmtp_revaliases:
# - user: root
# from: from@example.com
# smtp_server: "{{ mail_smtp_server }}"
# - user: "{{ admin_user }}"
# from: from@example.com
# smtp_server: "{{ mail_smtp_server }}"
# - user: "{{ web_user }}"
# from: from@example.com
# smtp_server: "{{ mail_smtp_server }}"