Change Sendmail Port?

[Corey Head]

On 9/9/05, Alexander Dalloz <ad+lists at uni-x.org> wrote:
> 
> Am Sa, den 10.09.2005 schrieb Corey um 4:04:
> 
> > I would like to change my sendmail port from 25 to something else. How
> > do I do this correctly? In the sendmail.mc <http://sendmail.mc> file is 
> this:
> >
> > > dnl # The following causes sendmail to additionally listen to port 587
> > > for
> > > dnl # mail from MUAs that authenticate. Roaming users who can't reach
> > > their
> > > dnl # preferred sendmail daemon due to port 25 being blocked or
> > > redirected find
> > > dnl # this useful.
> > > dnl #
> > > dnl DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl
> >
> >
> > When I removed 'dnl' from this line, sending worked great! However, no
> > mail got through TO the server when that was active. Is there something
> > else that needs to be done? I'm using dovecot for the pop/imap portion.
> > Thanks!
> > Corey
> 
> Whom do you expect to send to your Sendmail host on port different than
> 25? Other unknown MTAs will not do so.
> Some lines above your change you find another DAEMON_OPTIONS line in
> sendmail.mc <http://sendmail.mc> which instruction Sendmail to bind the 
> MTA to localhost
> only.
> 
> Alexander


Umm...I meant I would like to change the port that users send mail 
from...i.e. connect to the server. Is that not possible? I was thinking port 
587 for sending, but does that mean every server coming into my server has 
to know that? I am running into the problem with roving users that have home 
ISPs that are blocking port 25 from their lines. So, users have to go in and 
change their mail servers when they get home, then change back when back in 
the office. Does that make a little more sense?

Corey
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