From owner-freebsd-questions Thu Apr 2 18:53:12 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA01441 for freebsd-questions-outgoing; Thu, 2 Apr 1998 18:53:12 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from mail.inreach.com (mail.inreach.com [209.142.0.3]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA01399 for ; Thu, 2 Apr 1998 18:52:50 -0800 (PST) (envelope-from dburr@POBoxes.com) Received: from control.colossus.dyn.ml.org (dburr@206-18-112-215.la.inreach.net [206.18.112.215]) by mail.inreach.com (8.8.8/8.8.6/(InReach)) with SMTP id SAA05901 for ; Thu, 2 Apr 1998 18:48:30 -0800 (PST) Date: Thu, 2 Apr 1998 18:56:53 -0800 (PST) From: Donald Burr X-Sender: dburr@control.colossus.dyn.ml.org To: FreeBSD Questions Subject: how to stop people from using my sendmail as a relay Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I'd like to prevent people on the Net from using my sendmail as a relay mailer (i.e. to prevent the spread of spam) -- I only want them to be able to use it if they're sending mail to a user somewhere on my domain. Is there an easy way of doing this in sendmail (something I can add/change/delete in my sendmail.cf)? I'd really rather not have to switch to qmail or something like that, if I can avoid it. Donald Burr - Ask me for my PGP key | PGP: Your WWW HomePage: http://DonaldBurr.base.org/ ICQ #1347455 | right to Address: P.O. Box 91212, Santa Barbara, CA 93190-1212 | 'Net privacy. Phone: (805) 957-9666 FAX: (800) 492-5954 | USE IT. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message