Stan Hoeppner put forth on 4/28/2010 1:50 AM: > Y z put forth on 4/28/2010 1:36 AM: > >> Where do I start troubleshooting? > > Start by making sure that these match: > > /etc/resolv.conf > /var/spool/postfix/etc/resolv.conf > > When cli dns tools work, that usually means the first file above is correct, > fsvo "correct". When postfix can't resolve dns, it usually means the second > file's contents have changed since it was working previously. > > Your files might be in slightly different locations depending on your OS, > but you get the general idea of what you need to look for. > > Hope this helps, and is timely. Sounds like you're in a pinch.
Forgot to mention: restart Postfix after making the change or it won't take effect. A reload might work also but I'm not sure. Best to go with a restart. On many systems, and specifically Debian/Ubuntu, as root: ~$ /etc/init.d/postfix restart -- Stan