Security update for libxml2: GLSA 201202-09. Note that there is a chance that user-compiled programs linked after libxml2 break due to linkage problems. Requires PostgreSQL restart (RT 81681).
Security update for stunnel: GLSA 201202-08 (RT 81681).
Add role for customer-specific mail server with greylisting, virus scanner and SpamAssassin (#10182).
Unify user ids for system services that used to be dynamically generated on a per-system basis. This may cause nginx (web server) downtime in some cases (#10182).
Improve NTP clock stability.
Fix bug in
/etc/resolv.confhandling that caused delays during VM bootstrap.
Sharpen mail server monitoring to test spam rejection etc. (#10182).
Add ssh-forward tutorial.
Add Mail server role documentation.
Improve access-nagios tutorial.