From owner-freebsd-questions@FreeBSD.ORG Fri Aug 25 20:04:06 2006 Return-Path: X-Original-To: questions@freebsd.org Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6101A16A4E7 for ; Fri, 25 Aug 2006 20:04:06 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from betty.computinginnovations.com (dsl081-142-072.chi1.dsl.speakeasy.net [64.81.142.72]) by mx1.FreeBSD.org (Postfix) with ESMTP id 22AF343D6D for ; Fri, 25 Aug 2006 20:04:01 +0000 (GMT) (envelope-from derek@computinginnovations.com) Received: from p17.computinginnovations.com (dhcp-10-20-30-100.computinginnovations.com [10.20.30.100]) (authenticated bits=0) by betty.computinginnovations.com (8.13.6/8.12.11) with ESMTP id k7PK3eK7001581; Fri, 25 Aug 2006 15:03:41 -0500 (CDT) Message-Id: <6.0.0.22.2.20060825150253.026baa68@mail.computinginnovations.com> X-Sender: derek@mail.computinginnovations.com X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Fri, 25 Aug 2006 15:03:32 -0500 To: Brett Glass , questions@freebsd.org From: Derek Ragona In-Reply-To: <7.0.1.0.2.20060825134436.0a366aa0@lariat.net> References: <7.0.1.0.2.20060825134436.0a366aa0@lariat.net> Mime-Version: 1.0 X-ComputingInnovations-MailScanner-Information: Please contact the ISP for more information X-ComputingInnovations-MailScanner: Found to be clean X-ComputingInnovations-MailScanner-From: derek@computinginnovations.com X-Spam-Status: No Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: "Hostile" vs. "Friendly" instances of Sendmail X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Aug 2006 20:04:06 -0000 Use MailScanner and configure it to use blacklists and to delete not bounce SPAM. -Derek At 02:57 PM 8/25/2006, Brett Glass wrote: >A company for whom I do consulting has a FreeBSD mail server. Because >they're being deluged with connections from spammers (who have responded >to the increasing use of "graylisting" by ordering their armies of bots to >try again and again even when spam is rejected), they've subscribed to >some DNS blacklists and set Sendmail to limit the number of processes it >can spawn at any one time. This reduces the load on the system due to >spamming, but also prevents internal users from getting the mail server's >attention when they want to send legitimate outgoing mail. > >What's the best way to set things up so that more trusted, internal users >can access their own instance of Sendmail (with less restrictive process >limits, no blacklist checks, etc.) while the outside world sees an >instance of Sendmail with blacklisting, process limits, connection limits, >load limits, etc.? Will there be problems with file locking, queues, etc. >if a third instance of Sendmail is started on a standard FreeBSD install >(which normally runs two)? And where's the option that tells Sendmail to >listen only on a particular interface? (This should be on the man page, >but isn't.) > >--Brett Glass > >_______________________________________________ >freebsd-questions@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > >-- >This message has been scanned for viruses and >dangerous content by MailScanner, and is >believed to be clean. >MailScanner thanks transtec Computers for their support. > -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks transtec Computers for their support.