From: Tillotson, Jeff (Jeff.TillotsonKnowledgeStorm.com)
Date: Mon Oct 02 2006 - 14:05:39 CDT

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>Tillotson, Jeff:
>> localhost:10025 inet n - n - - smtpd
>> -o content_filter=
>> -o sender_dependent_relayhost_maps=
>
>sender_dependent_relayhost_maps is NOT implemented by the smtp SERVER.
>
>It is implemented by the trivial-rewrite server, and therefore
>it can't be overruled with -o options (at least, not without
>making a huge mess of master.cf).
>
>Use multiple Postfix instances and life will be come much easier.
>
> Wietse
>

Thank you for the response and the suggestion.

I now have three Postfix instances. The first instance will relay mail
to the second instance if the sender is in the
sender_dependent_relayhost_maps or the third instance, using relayhost
if it isn't.

Is there a way to keep the sending IP address in the relay? For example
I want to greylist in the third instance.

Regards,
Jeff

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