From: Wietse Venema (no email)
Date: Wed May 18 2005 - 12:49:23 EDT
Victor Duchovni:
> On Tue, May 17, 2005 at 03:09:56PM -0400, Wietse Venema wrote:
>
> > FYI, When relaying to a non-DSN environment, Postfix will not use
> > a null envelope sender when recipients have NOTIFY=NEVER. That
> > would break BATV, SRS, and it would even break even Postfix's own
> > reject_multi_recipient_bounce feature.
> >
>
> By this I think you mean that it will not blithely replace a non-empty
> envelope sender with an empty envelope sender. This seems sensible.
>
> I do have a question, how would such a replacement break BATV or SRS?
These rewrite the MAIL FROM when delivering mail, and recognize only
those rewritten return addresses as authentic.
> I am not suggesting that setting a null envelope is a good idea, just
> not seeing the same impact scenario...
Like address verification probes.
Wietse
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