On Wed, Dec 22, 2010 at 09:35:59AM -0500, Wietse Venema wrote:
> 3 - Propagate ENVID, NOTIFY, RET, and ORCPT to one result from
> alias expansion only, and send no DSN. Postfix does this with
> one-to-one virtual aliases that translate one address into
> itself.
>
> The only thing I can change without breaking RFC compliance is to
> do (3) for all one-on-one virtual aliases.
I am curious why the OP is eager to so faithfully support DSN. In my
case I explicitly disable "DSN" in the ESMTP response at the incoming
perimeter gateway. If they accept the mail, the sending system should
consider it delivered. The sender gets to know that the message left
or failed to leave his organization, that's all I am willing to disclose.
--
Viktor.
