I'm getting (many) uncaught bounce messages for one user. Other than
forcibly unsubscribing them, is there anything I can do? I hesitate to
post this message publically, but here is what I can see, somewhat
The MIME structure looks like
└┬╴multipart/mixed 7030 bytes
├─╴text/plain 442 bytes
├─╴message/delivery-status 176 bytes
└─╴text/rfc822-headers 5301 bytes
In /var/log/mailman3/bounce.log I see lines like
Oct 23 08:20:00 2021 (5320) Bounce message w/no discernable addresses: <hex-digits(a)foo.bar>
In the delivery-status part I see
Final-Recipient: rfc822; fub(a)foo.bar
The initial text/plain part looks like
This is the MAILER-DAEMON, please DO NOT REPLY to this email.
A message is delayed for more than 4 hours for the following
list of recipients:
fub(a)foo.bar: Network error on destination MXs
Please note that this is only a temporary failure report.
The message is kept in the queue for up to 7 days.
You DO NOT NEED to re-send the message to these recipients.
Below is a copy of the original message: