[Bug 1805137] Re: Bounces sent from opensmtpd not parsed

[Mark Sapiro]

Thanks for the message. The anonymizing is not a problem. It turns out
that this is almost an RFC 3464 compliant DSN and should be recognized
by Mailman/Bouncers/DSN.py except for the fact that the 'action' in the
Delivery Report is 'error'. This is non-compliant. RFC 3464, sec 2.3.3
defines action as:

      action-value =
            "failed" / "delayed" / "delivered" / "relayed" / "expanded"

Thus, 'Action: error' in this DSN is non-compliant. It should be
'Action: failed'. You may wish to report this to the opensmtpd
developers.

If the mean time, if you look at Mailman/Bouncers/DSN.py at line 59,
you'll see

            if not action.startswith('fail'):
                # Some non-permanent failure, so ignore this block
                continue

If you change that to

            if not (action.startswith('fail') or action.startswith('error')):
                # Some non-permanent failure, so ignore this block
                continue

this DSN should be recognized by DSN.py. I'll be incorporating this fix
for the next release.

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https://bugs.launchpad.net/bugs/1805137

Title:
  Bounces sent from opensmtpd not parsed

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