Wietse Venema via Postfix-users:
> Matus UHLAR - fantomas via Postfix-users:
> > hello,
> >
> > as I maintain some mail gateways with postfix, I would like to discard the
> > DSN ehlo keyword, from all hosts but internal network.
> >
> > I see that with smtpd_discard_ehlo_keyword_address_maps
> > "Tables will be searched in the specified order until a match is found."
> >
> > but is it possible to allow all keywords from internal network and drop DSN
> > from everywhere else?
> >
> > should I use workaround and use dummy silend-discard without other keyword?
> >
> > smtpd_discard_ehlo_keyword_address_maps =
> > cidr:{ {10/8 silent-discard} {0/0 silent-discard,dsn} }
>
> smtpd_discard_ehlo_keyword_address_maps =
> cidr:{ {!10/8 silent-discard,dsn} }
But that does not generalize to hosts with IPv4 and IPv6. In that case,
your approach will be more suitable.
> > Does smtpd_discard_ehlo_keyword_address_maps override value in
> > smtpd_discard_ehlo_keywords if a match is found?
>
> Yes. Otherwise, smtpd_discard_ehlo_keyword_address_maps would
> be usless.
>
> Wietse
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