Date: Sat, 14 Jul 2001 10:26:34 -0500 (CDT) From: Brennan Stehling <brennan@offwhite.net> To: <freebsd-questions@freebsd.org> Subject: outgoing spam detection Message-ID: <20010714102047.K33522-100000@home.offwhite.net>
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Is there an existing way to detect outgoing spam from a server? I run a FreeBSD server with qpopper and sendmail and would like to detect if people are sending out large amounts of mail that could be considered spam. I think it would also be useful to block this behavior automatically by limiting a user to only 20 to 100 messages a day, or maybe 3 a minute. This way I can be sure my server is not being misused by my own users. It may also be useful to have a user by user quota so I can adjust the bar for each user. I just updated my RBL lists for Sendmail... http://www.ordb.org/faq/#sendmail ...and I would like to take it this extra step. Perhaps if there is no system to do what I am asking, I could put something together to make this happen. Brennan Stehling - software developer and system administrator my projects: home.offwhite.net (free personal hosting) www.greasydaemon.com (bsd search) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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