simonrupf/postfix repository overview

⁠postfix

SMTP server for use as an internet facing MTA. Set the timezone for logging via TZ environment variables.

⁠Environment variables

• TZ: timezone used for logging, defaults to UTC

⁠Persistent volumes

• /etc/postfix/main.cf: main configuration - owner 0, group 0, mode 0644
• /etc/postfix/master.cf: service configuration - owner 0, group 0, mode 0644
• /var/spool/postfix: postfix working directory, run /usr/sbin/postfix check to initialize it - owner 0, group 0, mode 0755

⁠Network ports

• 25/tcp: SMTP
• 465/tcp: SMTPS
• 587/tcp: SMTP STARTTLS submission
• 10025/tcp: SMTP for filtered email

⁠Usage

make help