Hi!
Recently, I came upon a problem without a solution:
If I trigger an autoreply (for example because of vacations),
how do I get the system to add a DKIM-header for the proper domain ?
This post describes that the recipient of the autoreply
can check the signature by looking for the d=<domain> field
in the DKIM-Signature header:
https://stackoverflow.com/questions/50371039/does-dkim-verify-smtp-envelope-from-or-the-mail-header-from
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).
Because of the <> envelope-from, how can the proper sender-domain
(and dkim key) be found on the sending host ?
Thanks for any hints!
--
pi@??? +49 171 3101372 Now what ?
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