Postfix stable release 2.10.0

[An on-line version of this announcement will be available at http://www.postfix.org/announcements/postfix-2.10.0.html]

Postfix stable release 2.10.0 is available. As of now, Postfix 2.6 is no longer updated.

Main changes (see the RELEASE_NOTES file for details):

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