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Postfix SMTP 3.11.6

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3.11.6Bug fix
πŸ“… August 10, 2026πŸ—‚ Web ServersπŸ“¦ Postfix SMTP β†—πŸ“œ Full changelog β†—
✦ Editor's summary

Postfix 3.11.6 is a maintenance release for the Postfix 3.11 mail server branch. The update focuses on correcting defects and improving the reliability of SMTP and mail-processing functionality without introducing major new features.

What's new

Postfix 3.11.6 is a maintenance update for the Postfix 3.11 mail server release branch.

What's new
  • Includes bug fixes for issues identified in previous Postfix 3.11 releases.
  • Provides reliability improvements across SMTP and mail-processing functionality.
  • Includes maintenance updates intended to improve overall Postfix stability.
Recommendation

Organizations running Postfix 3.11.x should consider upgrading to version 3.11.6 after standard validation to benefit from the latest maintenance fixes and reliability improvements.

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