On Thu, Mar 04, 2010 at 11:10:37PM +0100, Erik Logtenberg wrote: > Anyway, I think now I understand what's going on. The distribution that > I use (Fedora 12) left those two settings to their default. In this > specific case the setting of 5 IP's just isn't high enough, since this > host has 22 IP addresses, 11 of which are IPv6. So after trying the > first 5 (all IPv6), postfix hasn't tried any IPv4 address yet.
If your system has no useful IPv6 connectivity, disable IPv6 in Postfix. http://www.postfix.org/inet_protocols -- Viktor. P.S. Morgan Stanley is looking for a New York City based, Senior Unix system/email administrator to architect and sustain our perimeter email environment. If you are interested, please drop me a note.