On Tue, Oct 16, 2007 at 11:47:53AM +0100, Riaan Kok wrote:
> On 16/10/2007, Robert Felber <[EMAIL PROTECTED]> wrote:
> > On Tue, Oct 16, 2007 at 08:36:11AM +0200, Andreas Fuchs wrote:
> > > 2. in the log i have quite often the following entry
> > >
> > > Oct 16 08:30:53 schilt postfix/policyd[20148]: decided action=DUNNO NULL
> > > (<>) Sender; delay: 0s
> > > I don't know exactly how to debug them, the process number is repeating
> > > quite often,
> > > any ideas?
> >
> > That are NULL-sender (mainly generated by DSN). You MUST let pass them. If
> > the NULL Sender try to deliver to non-existing users then reject all mail
> > for non-existent users.
> >
> >
>
> Why MUST they pass?
How to ensure that DSN arrive from hosts to which you have sent mail but which
are listed or otherwise penalized by policyd-weight?
If you send DSN requests, you should accept them, no matter what the policy
says.
--
Robert Felber (PGP: 896CF30B)
Munich, Germany
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