> I have multiple almost identically configured postfix servers relaying > mails > > On one of the servers the mails get stuck in incoming queue. All other > servers are delivering perfectly fine > > There are no body / header checks on this machine that could > potentially be slowing down pickup. And apparently there are no hardware > issues > > How do I debug the pickup process ? > >
Adding a -v to the end of the "pickup" line your master.cf file and restarting postfix seems to work although I don't see the -v switch listed in the pickup man page. Terry