## Wietse Venema ([email protected]):

> > for some admittedly special and braindead setup I needed to relay
> > outgoing mail via another MTA running on localhost:25. In order to
> > bypass some of the mail loop safety catches, I exteded inet_interfaces
> > to accept "none".
> > In case someone might find this useful, I'll publish the path (against
> > 2.8.2) here, including a documentation note strongly discouraging the
> > use of the new option.
> 
> Thanks, but no thanks. This patch is unsafe in its current form.
> I would hate to see complaints on the mailing list because some
> well-meaning Linux maintainer decides to adopt this and then
> someone gets burned by it.

Well, postfix still doesn't relay mail to hosts with it's own
host name in the server greeting ("host ... greeted me with my own
hostname ..." and "host ... replied to HELO/EHLO with my own hostname ..."),
so it's not that easy to shoot one's own foot.

> To make the patch safe, it should add code to the SMTP server that
> refuses to receive mail when inet_interfaces is turned off.

Thanks for the suggestion, I'll look into that (but propably not today).

Regards,
Christoph

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