does the queue clear if you manually flush it? as root, run: sendmail -q also check /etc/syslog.conf and see where mail.* is being logged to and check for messages there, usually /var/log/messages or /var/log/maillog Brian wrote: > I'm having random problems with sendmail. I'm running 8.9.3. > > Every so often, mail gets hung up in mqueue. It stays hung up for as long > as a day, then decides to send. mailq shows me that my messages are > 'deferred', nothing more. Any ideas what causes this? > > -Brian > > > _______________________________________________ > Twin Cities Linux Users Group Mailing List - Minneapolis/St. Paul, Minnesota > http://www.mn-linux.org > tclug-list at mn-linux.org > https://mailman.mn-linux.org/mailman/listinfo/tclug-list