From owner-freebsd-questions Thu Nov 20 10:56:16 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id KAA26582 for questions-outgoing; Thu, 20 Nov 1997 10:56:16 -0800 (PST) (envelope-from owner-freebsd-questions) Received: from horton.iaces.com (horton.iaces.com [204.147.87.98]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id KAA26577 for ; Thu, 20 Nov 1997 10:56:13 -0800 (PST) (envelope-from proot@horton.iaces.com) Received: (from proot@localhost) by horton.iaces.com (8.8.7/8.8.7) id MAA02052; Thu, 20 Nov 1997 12:53:40 -0600 (CST) From: "Paul T. Root" Message-Id: <199711201853.MAA02052@horton.iaces.com> Subject: Re: Sendmail and Dialup connectivity. To: Ian_Mckinnon@Notes.FH.Com (Ian Mckinnon) Date: Thu, 20 Nov 1997 12:53:40 -0600 (CST) Cc: questions@FreeBSD.ORG In-Reply-To: <88256555.005EA084.00@Hazel_MTA.foundation.com> from Ian Mckinnon at "Nov 20, 97 09:17:17 am" X-Organization: !nterprise Networking Services - ACES X-Phone: (612) 664-3385 X-Fax: (612) 664-4779 X-Page: (800) SKY-PAGE PIN: 537-7270 X-Address: 600 Stinson Blvd, Fl 1S X-Address: Minneapolis, MN 55413 X-Mailer: ELM [version 2.4ME+ PL22 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk In a previous message, Ian Mckinnon said: > > I have heard that someone else can use your sendmail from the internet to > route messages to other sources, and that it is also a hole through > security into your system. What is the truth of this and what can I do to > prevent it. Can I shut down sendmail during PPP connections? Check www.sendmail.org or www.vix.com to stop relaying. It may not work for you in practice. Otherwise, shutting down sendmail is extreme but doable. -- CONCERNING WHY LOVERS OFTEN HOLD HANDS "They are just practicing for when they might have to walk down the aisle someday and do the holy matchimony thing." --John, age 9