Postfix stable release 3.8.1, and legacy releases 3.7.6, 3.6.10, 3.5.20

[An on-line version of this announcement will be available at]

These updates fix minor bugs, and introduce optional features to address changes in OS platforms and network abuse.

Optional or fixed with Postfix 3.8.1, 3.7.6, 3.6.10, 3.5.20:

Fixed with Postfix 3.8.1:

You can find the updated Postfix source code at the mirrors listed at