On Wed, 2004-10-27 at 11:20, Alexander Dalloz wrote: > DAEMON_OPTIONS(`Addr=123.123.123.45, Port=smtp, Name=MTA, > InputMailFilters=milter-sender;clamav;mimedefang')dnl > DAEMON_OPTIONS(`Addr=127.0.0.1, Port=smtp, Name=MTA)dnl > DAEMON_OPTIONS(`Addr=123.123.123.45, Port=submission, Name=MSA, > M=Ea')dnl > > Third line: I configure the MSA, which is the submission service, to be > bound to a specific IP and change the modifier, which is by default only > "M=E". I set it to be "M=Ea" and this way force authentication on port > 587. To be able to change the MSA you have to deactivate the standard > MSA before: May I ask, what do you use the MSA for? I believe it's only for a _local_ mail submission. But what is the difference then to just point the submission to port 25 default? I can understand the usage of MSA is only port 25 is closed and you're not running as a mail-hub from internet.