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Old 17th August 2006, 03:45
herberkg herberkg is offline
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Default Running SMTP on multiple ports (sendmail)

There was a thread a short while ago by eKg with instructions on how to enable Postfix for multiple ports to circumvent port 25 filtering at the ISP level. Here are instructions for the flip-side of that coin, Sendmail:

After logging into the ISPConfig server as root:

cd /etc/mail
vi sendmail.mc

Find the line : dnl DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl
Change it to : DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl

If you haven't done so already,
Find the line : dnl DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
Change it to : DAEMON_OPTIONS(`Port=smtp, Name=MTA')dnl
to enable non-local access to the SMTP port.

Save and exit vi
make -C /etc/mail
/etc/init.d/sendmail restart

If the firewall is enabled, you'll also have to poke a hole in it for submission port 587
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