Am 02.06.2014 00:35, schrieb tswmmeejsdad .: > We run a postfix STMP relay for customers. One customer is saying that their > application is showing lots of > timeouts on their end when it is trying to send emails via our STMP relay. We > are also seeing the timeout errors in > the mail log (shown below). > > How do I troubleshoot something like this? > > May 19 16:06:50 smtp01 postfix/smtpd[21940]: timeout after END-OF-MESSAGE > from unknown[10.84.72.227]
without knowing anything of your configuration and invironment hard to say did you miss the welcome message? http://www.postfix.org/DEBUG_README.html
