Re: Automatic email relay agent? - users - Fedora Mailing-Lists

Wednesday, 30 November 2005

...
 probably the best way to handle the "travelling user" need
is with
 smtp-auth -- where the sending client authenticates.

 look at/for the following lines in your sendmail.mc

 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.

 the concept of temporarily adding a random/dynamic ipnumber isn't
 very good as it open a (admittedly probably small) window that might
 be able to be used by a spammer type should they come upon it.

Thank you very much for the help!  I uncomment the line

DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl

but, I have a question: if outlook express does not use port 587, then what to
do?  How to make sure that if outlook express finds port 25 blocked, it will
try port 587?

What about the other line

dnl DAEMON_OPTIONS(`Port=smtps, Name=TLSMTA, M=s')dnl

does that help if it is uncomment too?

Thanks!

Hongwei