[Exim] Exim-ACL-Patch: actions on internal virusscanner erro…

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Author: Oliver Egginger
Date:  
To: exim-users
Subject: [Exim] Exim-ACL-Patch: actions on internal virusscanner error
Hello,

we use Exim 4.24 + Exim-ACL-Patch with NetBSD (1.6.1). Sometimes (maybe
every third day) our virus scanner can't finish a scan as a result of a
internal sortware error. It is rarely possible (maybe one of 10.000
messages is affected). The patch code rejects than the corresponding
message with a temporary failure. Also the sending host sends this
message again, and the virus scanner fails again, and so forth ...
Is it possible to accept messages (instead of rejecting them), if the
vscanner fails with an internal error code?

Current we use the following deny rule for virus checking:

deny message = This message contains malware ($malware_name)
     malware = *


- oliver


Example from the logs:
2003-12-19 08:45:34 1AXFKI-0006oX-4j malware acl condition: mksd scanner
failed: ERR 128
SQ/var/spool/mail/scan/1AXFKI-0006oX-4j/1AXFKI-0006oX-4j-00003.com
2003-12-19 08:45:34 1AXFKI-0006oX-4j H=fronto.fh-friedberg.de
[212.201.24.53] F=<> temporarily rejected after DATA