From owner-freebsd-chat Wed May 15 22:19: 7 2002 Delivered-To: freebsd-chat@freebsd.org Received: from trot.galis.org (ool-43530772.dyn.optonline.net [67.83.7.114]) by hub.freebsd.org (Postfix) with ESMTP id 7F79737B409 for ; Wed, 15 May 2002 22:19:03 -0700 (PDT) Received: (from gx@localhost) by trot.galis.org (8.11.6/8.11.6) id g4G5K5d03804; Thu, 16 May 2002 01:20:05 -0400 Date: Thu, 16 May 2002 01:20:05 -0400 From: George Georgalis To: Eric Anderson Cc: freebsd-chat@FreeBSD.ORG Subject: Re: internal hosts in email Message-ID: <20020516012005.D2690@trot.haven.dom> References: <3CE2702A.A67642FE@centtech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <3CE2702A.A67642FE@centtech.com>; from anderson@centtech.com on Wed, May 15, 2002 at 09:26:50AM -0500 Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wed, May 15, 2002 at 09:26:50AM -0500, Eric Anderson wrote: >Just curious if anyone else has a solution for this: > >I have an internal mail server, which is the SMTP server for our internal hosts, >and then a "firewall" mail server (or however you want to call it), that is the >SMARTHOST that the internal mail server dumps its mail to when it is bound for >non-internal email addresses. > >The problem is, the mail headers show all the internal hosts that the mail >passed (via the Received: lines), and I think that is a security risk. Does >anyone have a trick to remove those using the .mc files? This is one of those >pseudo security/chat/questions/sendmail things, so it's an informal chat-like >discussion topic I guess. :) > >Eric pipe the message with procmail to formail when you are ready to expunge the headers I think formail can do that, or maybe sed... // George -- GEORGE GEORGALIS, System Admin/Architect cell: 347-451-8229 Security Services, Web, Mail, mailto:george@galis.org File, Print, DB and DNS Servers. http://www.galis.org/george To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message