From: Wietse Venema on
An on-line version of this announcement is available at

Postfix legacy release 2.6.7 contains fixes that are also included
with Postfix 2.7 (stable release) and Postfix 2.8 (experimental

NOTE: Postfix versions 2.3 and earlier are no longer updated.

NOTE: Postfix versions 2.4 and 2.5 are updated only for bugfixes
or critical problems.

* Bugfix (introduced Postfix 2.6) in the XFORWARD implementation,
which sends remote SMTP client attributes through SMTP-based
content filters. The Postfix SMTP client did not skip "unknown"
SMTP client attributes, causing a syntax error when sending
an "unknown" client PORT attribute.

* Robustness: skip LDAP queries with non-ASCII search strings,
instead of failing with a database lookup error.

* Portability: OpenSSL 1.0.0 changes the priority of anonymous

* Portability: Mac OS 10.6.3 requires <arpa/nameser_compat.h>
instead of <nameser8_compat.h>.

* Portability: Berkeley DB 5.x is now supported.

The source code is available from and from
the mirrors listed at