Andreas Freyvogel: > I have a bit of an odd problem and hoped you might be able to offer some > assistance or point me in the right direction. > > Yesterday, my server was unable to send emails to 3M (u...@mmm.com). > > The logs shows: > "status=deferred (delivery temporarily suspended: connect to > mmm.com[192.28.34.26]"
mmm.com is not an MX host for 3M.com. I therefore suspect that you have a non-default configuration that forces Postfix to look up MMM.com instead of 3M.com. This would be a good time to provide "postconf -n" command output. Wietse