S. Berch wrote: > Sending mail using SSL just hangs. Logs show connection, then disconnect. > > Sending mail using TSL works. > > Adding the following to main.cf didn't help: > smtpd_tls_protocols = SSLv1 SSLv2 SSLv3 TLSv1 > > The reason for sticking with SSL is for Outlook 2003 that doesn't have > an option for TSL. "SSL" in older versions of Outlook (pre-2007 to my understanding) means the depreciated smtps port 465. Postfix supports this using wrapper mode and there is an example in your master.cf that is commented out by default.
Also, do not enable SSLv2 as it is known to be insecure.
