On Thu, May 05, 2011 at 08:37:01PM +0200, Matthias Andree wrote: > I had checked the Postfix 2.8 release notes immediately, but they bore > no references to this particular HISTORY entry:
It is in the 2.8 release notes: Major changes - dns lookup -------------------------- [Incompat 20100827] The Postfix SMTP client no longer appends the local domain when looking up a DNS name without ".". Specify "smtp_dns_resolver_options = res_defnames" to get the old behavior, which may produce unexpected results. -- Viktor.