Jim, > Looking at my log files I do NOT see the issue which you describe where a > client continues to send data regardless of the commands returned. Of course > I am not sure how much, if any, of that would be logged. I suspect only the > initial connect and the quit would generate a log antry
You are correct - Sendmail doesn't log them by default. If you get a null connection, that gets logged. If the sender is refused by check_rcpt, that gets logged. But invalid commands, including those generated after a sender ignores a 5xx error and carries on through the DATA phase, aren't logged at all. In theory, you would set the log level to 12 to get these, but that doesn't appear to work as described in the documentation, unless of course only valid commands are logged. In any case, at this level every milter action is included, so its pointless. I could trawl through the source to find out what level if any will log invalid commands, but it is so deep that the other logged stuff will swamp the logs very quickly. Instead, pick a persistent spammer who already gets kicked off by check_rcpt and dump the raw packets whenever they connect on port 25. If you still don't believe this happens, see any of the following: http://www1.ietf.org/mail-archive/web/asrg/current/msg07705.html http://www.zmailer.org/mhalist/2000/msg00539.html http://mail.teamdelsol.com/popauth3/popauth-3.0.0/popauth.pl Best Wishes, Paul. __________________________________________________ Paul Murphy Head of Informatics Ionix Pharmaceuticals Ltd 418 Science Park, Cambridge, CB4 0PA Tel. 01223 433741 Fax. 01223 433788 _______________________________________________________________________ DISCLAIMER: This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to which they are addressed. If you have received this email in error please contact the sender or the Ionix IT Helpdesk on +44 (0) 1223 433741 _______________________________________________________________________
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