On Thursday, 06 Apr 2006 12:05 +0100, Tim Jackson wrote:

> Markus Mayer wrote:
> 
> > I have Exim listen on Port 25 and redirect port 2525 to port 25 as
> > well.
> 
> How do you "redirect" port 2525 to 25? With a firewall rule?

Iptables, yes.
 
> You can use Exim's daemon_smtp_ports option to make it listen on more
> than one port.

I'll give that a shot.
 
> > It looks like Exim outright denies relaying whenever the
> > source-port of a connection is not 25, regardless of whether the IP
> > address is listed in relay_from_hosts or not.
> 
> The command "exim -bh X.X.X.X" where X.X.X.X is the source IP
> (possibly in conjunction with the -oMi option) can be handy here. See
> the docs for more details.

These tests both worked. Without specifying the port I didn't expect
otherwise, but even using -oMi it works.
 
> My best guess is that the source IP is getting translated by whatever
> means you're using to "redirect" the port along the way.

I guess you are probably right here.

Thanks!

Regards,
Markus

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