Bug Tracker item #3513130, was opened at 2012-03-30 01:11
Message generated for change (Comment added) made by sbajic
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https://sourceforge.net/tracker/?func=detail&atid=1126467&aid=3513130&group_id=250683

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Category: daemon
Group: v3.10.x
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Radim Kolar (hsn)
Assigned to: Stevan Bajic (sbajic)
Summary: temporary delivery errors from LDA are not respected

Initial Comment:
I run dspam from sendmail:

define(`LOCAL_MAILER_PATH', `/usr/local/bin/dspam')
define(`LOCAL_MAILER_ARGS', `dspam "--deliver=innocent" --user $u -d %u')

if dspam gets temporary deliver failure from maildrop (LDA)
TrustedDeliveryAgent "/usr/local/bin/maildrop"

it didnt respect temporary error from LDA (maildrop returns it if user has 
incorrect .mailfilter) and exists with error 255, which sendmail considers 
permanent delivery failure and returns message back. This leads to lost mail.

Mar 30 09:52:51 ponto dspam[67105]: Delivery agent returned exit code 75: 
/usr/local/bin/maildrop -d hsn
Mar 30 09:52:51 ponto sm-mta[67104]: q2U7qSWK067103: 
to=<h...@ponto.amerinoc.com>
, delay=00:00:20, xdelay=00:00:19, mailer=local, pri=149955, dsn=5.3.0, 
stat=unknown mailer error 255
Mar 30 09:52:51 ponto sm-mta[67104]: q2U7qSWK067103: q2U7qpWI067104: DSN: 
unknown mailer error 255

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>Comment By: Stevan Bajic (sbajic)
Date: 2012-05-15 09:39

Message:
I understand your issue and I understand that you loose mail or that you
consider that bounce as a lost mail. But as I said in my other post:
Currently I don't have time to setup such a environment with maildrop and
do a substantial code change. If you have the knowledge and time then
please send me a patch that fixes this issue. Maybe some one lese having
the same issue has already made a patch or a workaround? Have you asked the
mailing list?

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Comment By: Radim Kolar (hsn)
Date: 2012-05-14 08:03

Message:
I am using DSPAM Anti-Spam Suite 3.10.1 (agent/library).

It should be fixed quickly. i am loosing mail because of this bug.

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Comment By: Stevan Bajic (sbajic)
Date: 2012-03-30 03:06

Message:
If you use default then LMTPLDAErrorsPermanent is used as if you would set
it to off.

The error message you posted is generated in deliver_message() and probably
the calling function is getting the proper error message back (that
EX_TEMPFAIL) but probably not using it and exiting with error 255. This can
be changed but would require all functions calling deliver_message() to be
changed to honor the return value in case LMTPLDAErrorsPermanent is not set
or set to off.

I currently have no time to do that kind of code change. If you have time
and the knowledge feel free to attach a patch to this bug report.

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Comment By: Radim Kolar (hsn)
Date: 2012-03-30 02:11

Message:
ponto:(crawler)~/nutch>dspam --version

DSPAM Anti-Spam Suite 3.10.1 (agent/library)

Copyright (C) 2002-2011 DSPAM Project

I do not have 'LMTPLDAErrorsPermanent' in dspam.conf, so i am using
defaults.

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Comment By: Stevan Bajic (sbajic)
Date: 2012-03-30 01:39

Message:
What version of DSPAM are you running? Can it be that you run an older
version or that you have set 'LMTPLDAErrorsPermanent' to 'on'?

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=1126467&aid=3513130&group_id=250683

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