Mechiel Lukkien dcb0f0a82c
in DSNs, add a References header pointing to the message with deliverability issues
so mail user agents will show DSNs threaded/grouped with the original message.
we store the MessageID in the message queue, so we have the value within reach
when we need it.

i saw a references header in a DSN from gmail on a test account. makes sense to me.
2023-07-23 17:56:39 +02:00
..
2023-01-30 14:27:06 +01:00
2023-01-30 14:27:06 +01:00