Security Basics mailing list archives

RE: Hiding IP in E-Mail..


From: "Matthew Schlosser" <mschlosser () eschelon com>
Date: Fri, 29 Aug 2003 14:50:35 -0500

Of course, if you are training to be a spammer we will come for you in the
night.

:)

-----Original Message-----
From: chort [mailto:chort () amaunetsgothique com]
Sent: Friday, August 29, 2003 10:42 AM
To: powderkeg () snow email ne jp
Cc: security-basics () securityfocus com
Subject: Re: Hiding IP in E-Mail..


On Thu, 2003-08-28 at 16:26, Mark Sargent wrote:
Hi All,

I'm rather a newbie at all this. How do I hide my IP when
sending/getting
e-mail from the server and from the recipient(s) of the
e-mails..? Cheers.

Mark Sargent.


You really can't.  The IP is added by your mail server.  The only way
you could change this would be on your e-mail server, but you
could only
remove the Received: headers that existed prior to your mail server
sending the message out.  When the next mail server receives
the e-mail,
it will add the IP of your mail server to the message and
there's zilch
you can do about it.

If internal IPs are super secret I suggest hiding them with a proxy.

--
Brian Keefer


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---------------------------------------------------------------------------
Attend Black Hat Briefings & Training Federal, September 29-30 (Training), 
October 1-2 (Briefings) in Tysons Corner, VA; the world's premier 
technical IT security event.  Modeled after the famous Black Hat event in 
Las Vegas! 6 tracks, 12 training sessions, top speakers and sponsors.  
Symantec is the Diamond sponsor.  Early-bird registration ends September 6.Visit us: www.blackhat.com
----------------------------------------------------------------------------


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