Help with setting up a mail server

Ruben de Groot mail25 at
Thu Jul 22 11:26:50 UTC 2010

On Wed, Jul 21, 2010 at 07:35:48PM +0100, krad typed:
> while we are on the topic of debugging I would recomend exim as an MTA. I
> manage a few large enterprise mail systems with 10M + active accounts. A lot
> of them are legacy systems that we gained through acquisitions. I generally
> have to support them until we can get the accounts migrated onto the main
> platform. They are a mixture of exim, postfix, qmail, and sendmail, and
> quite often are in a poor state when we first get our hands on them. I have
> to say when you are getting mail routing issues exim is by the far the
> easiest to debug mainly due to the -bt option. When you combine it with the
> debug flag it produced a very detailed output on the mail routing. I have
> never found such a feature in all the other MTA's above.

Actually, the -bt option comes from sendmail originally ;)

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