From owner-freebsd-questions Sat Jul 14 8:26:37 2001 Delivered-To: freebsd-questions@freebsd.org Received: from home.offwhite.net (home.offwhite.net [156.46.35.30]) by hub.freebsd.org (Postfix) with ESMTP id 1631C37B409 for ; Sat, 14 Jul 2001 08:26:35 -0700 (PDT) (envelope-from brennan@offwhite.net) Received: from localhost (brennan@localhost) by home.offwhite.net (8.11.1/8.11.1) with ESMTP id f6EFQYs33546 for ; Sat, 14 Jul 2001 10:26:34 -0500 (CDT) (envelope-from brennan@offwhite.net) Date: Sat, 14 Jul 2001 10:26:34 -0500 (CDT) From: Brennan Stehling To: Subject: outgoing spam detection Message-ID: <20010714102047.K33522-100000@home.offwhite.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG 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