you are probably better just using port 587 (submission) for auth as it's a common thing to expect.
for example, master.cf comes pre-setup for enabling smtp auth on the submission port. Cheers, Harry On Thu, 2009-03-12 at 13:30 +0000, fmgre-list...@yahoo.fr wrote: > Hello > > > we have a in house mail system based on postfix. > We would like to optionnaly integrate AUTH for SMTP > > > I wonder if it would be possible to > > have SMTP/postfix listen on port 25 and say port 26 > > with the following setttings > > * port 25 does not require AUTH > > * port 26 requires AUTH > > ( we would be restricting access to port 25 to given subnets ) > > > Is it possible ? > > Sincerely, > > Fred > > >
