On Sun, 16 Oct 2011 08:31:30 +0200
mouss <mo...@ml.netoyen.net> wrote:

> Le 12/10/2011 12:01, J. Bakshi a écrit :
> > [snip]
> >>
> >> set the restriction before permit i.e
> >>
> >>>>> smtpd_recipient_restrictions =
> >>>>>   check_recipient_access hash:/etc/postfix/restrictioinincoming,
> >>>>>   permit_mynetworks,
> >>>>>   permit_sasl_authenticated,
> >>
> >>
> > 
> > Thanks, already solved it :-)
> 
> 
> that's a bad idea. an error in the map will make you an open relay. for
> this reason, the general advice is to
>       avoid using check_*_access before reject_unauth_destination
>       in smtpd_recipient_restrictions.
> 
> assuming the default value of smtpd_delay_reject, you can simply move
> that check_recipient_access to another restriction, for example:
> 
> smtpd_helo_restriction =
>       check_recipient_access hash:/etc/postfix/restrictioinincoming
> 
> 
> an alternative (that will also work for mail submitted via the sendmail
> comand) is to use transport_maps:
> 
> nore...@example.com   error:...
> 
> 
> Note that if you don't want to receive errors for such mail, then you
> should use a "null sender" (MAIL FROM:<>).
> 
> also, be sure to include informations for users to contact you if they
> really need to (complain, unsubscribe, ... etc).

Hello Mouss,

I appreciate your advise. Many many thanks.

In caes of

nore...@example.com     error:...

how can I provide a notice to the users about whom to contact and how can I also
configure "null sender"  to avoid error mesg ?

once again thanks for your great advise.

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