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} }

> 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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