Release 4.2.3

4.2.3 (October 30, 2025)

Improvements:

• Updated dependencies.

Release 4.2.2

4.2.2 (July 6, 2024)

Improvements:

• Updated dependencies.
• Add MYNETWORKS environment variable. (#41; dyd0u)
• Fix typo in SMPTD TLS security level flag. (#42; Syex)

Release 4.2.1

4.2.1 (June 3, 2024)

Improvements:

• Updated dependencies.
• If TLS_KEY_FILE and TLS_CERT_FILE variables are defined, this indicates that you are supplying your own TLS certificate files and do not need certbot function. This release disables the CRON job to renew certificates in this case.

Release 4.2.0

4.2.0 (January 22, 2023)

Features:

• Support SMTP Port
• Support Spamhaus DQS (for installations behind a recursive dns where spamhaus blocks queries). (#33; BJReplay)

Release 4.1.2

4.1.2 (January 20, 2023)

Improvements:

• Updated dependencies.

Release 4.1.1

4.1.1 (October 16, 2023)

Improvements:

• Updated documentation.
• Updated dependencies.
• Added preliminary support for proxy protocol using ENABLE_PROXY_PROTOCOL. It is not fully functional yet and any testing would be welcome to fix any issues found in this.

Release 4.1.0

4.1.0 (February 24, 2023)

Improvements:

• Updated documentation.
• Updated dependencies.
• Python version updated to 3.11
• Ability to provide RELAY_HOST_PASSWORD_FILE for using as docker secret.