Date: Thu, 16 May 2002 01:20:05 -0400 From: George Georgalis <george@galis.org> To: Eric Anderson <anderson@centtech.com> Cc: freebsd-chat@FreeBSD.ORG Subject: Re: internal hosts in email Message-ID: <20020516012005.D2690@trot.haven.dom> In-Reply-To: <3CE2702A.A67642FE@centtech.com>; from anderson@centtech.com on Wed, May 15, 2002 at 09:26:50AM -0500 References: <3CE2702A.A67642FE@centtech.com>
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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
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