On Mon, 14 Feb 2005, David Woodhouse wrote:
> On Mon, 2005-02-14 at 12:05 +0100, Juergen Weiss [Netzland GmbH] wrote:
> >
> >Is there a configuration to avoid this behaviour ?
>
> There is, but in general you should avoid it. If you accept mail from a
> faked address which is addressed to a non-existent user, and then you
> generate a bounce to that faked address, you are making yourself part of
> the problem.
Actually it's normal to turn off recipient verification for submission
clients (as opposed to MX clients) because of MUAs' bad error handling.
In the default configuration you would move the
accept hosts = +relay_from_hosts
to a point immediately after
require verify = sender
Tony.
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