Date: Wed, 15 May 2002 10:03:03 -0500 From: Drew Raines <drew-dated-1022684585.514754@rain3s.net> To: freebsd-chat@freebsd.org Subject: Re: internal hosts in email Message-ID: <20020515150303.GU16671@williams.mc.vanderbilt.edu> In-Reply-To: <3CE2702A.A67642FE@centtech.com> References: <3CE2702A.A67642FE@centtech.com>
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Eric Anderson wrote: > > 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. Great. > 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. No. If you're concerned because of the software you're running, run better software. > Does anyone have a trick to remove those using the .mc files? Obscurity is not security. MTA's add those fields for a reason. If you ever have to diagnose a mail delivery problem, you'll probably want them there. -- Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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