Nick Bright: > Greetings, > > I'm having some trouble with my Postfix configuration, the default limit > of 10MB for messages is causing many of my end users to complain that > the limit is far too small. To increase this value per the documentation > at http://www.postfix.org/postconf.5.html#message_size_limit I added > "message_size_limit = 209715200" (200MB) to my main.cf file, as this > should be large enough to functionally not be a limit (I did try much > smaller values as well, such as 20MB - all with the same results). > > Upon restarting postfix with message_size_limit in place it simply > wouldn't deliver any mail. It accepts the mail in to SMTP just fine, but > it never gets delivered.
http://www.postfix.org/DEBUG_README.html#logging