Kurt Jaeger via Exim-users <exim-users@???> (Mi 14 Aug 2024 15:31:35 CEST):
> The problem is that the autoreply driver looses the information
> on which sender is used to send out the mail (envelope-from is <>
> to avoid mail-loops).
Maybe I'm a bit naіv here. I'd set the From: of the autoreply to a
sensible value:
- to e.g. mailer-daemon@<mail service provider>, in case it is kind of
technical message (as a bound would be), which gives the bounce's
recipient a chance to complain at the mail service provider.
- to <original-recipient>, in case it is a "personal" autoreply
(vacation message), which gives the autoreply's recipient the chance
to answer the individual user.
In both cases the mail-from would be empty, but the mail: domain can be
used for DKIM signing.
IMHO DMARC requires from: <-> DKIM alignment too, plus from: <->
mail-from alignment, as someone else pointed out in this thread already.
Sorry in case I missed the point.
Best regards from Dresden/Germany
Viele Grüße aus Dresden
Heiko Schlittermann
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