Postfix stable release 3.7.1 and legacy releases 3.6.6, 3.5.16, 3.4.26

[An on-line version of this announcement will be available at https://www.postfix.org/announcements/postfix-3.7.1.html]

Fixed in Postfix 3.7, 3.6, 3.5, 3.4:

Additionally, the following were fixed in Postfix 3.7:

You can find the updated Postfix source code at the mirrors listed at https://www.postfix.org/.