Multiple email address, 1 iphone = multiple ip addresses?

6,875 pts.
Tags:
Email Headers
Email security
Forensic analysis
IP address
iPhone
Spam
If a person creates both yahoo and gmail email accounts and sends messages from an iphone, will the ip addresses match? I'm sure they are from the same person! Moderator Note: This is a revised repost. --------------------------------------------------------------------------- Strings below...X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0xO0Q9MTtTQ0w9MA== X-Message-Status: n:0 X-SID-PRA: [intentionally blank] X-SID-Result: Pass X-Message-Info: JGTYoYF78jGBcAljEIdFx6L2Ei0lhDaYvUAA2hWS8VRUGibHmVnQcbmPXZkfWS0bcnLqG62VGDS6XMnYQBp8RSQ+CcQROTE5 Received: from mail-gx0-f174.google.com ([209.85.217.174]) by bay0-mc1-f18.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2668); Sun, 15 Mar 2009 14:42:01 -0700 Received: by mail-gx0-f174.google.com with SMTP id 22so1117841gxk.21 for <[intentionally blank]>; Sun, 15 Mar 2009 14:42:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type:content-transfer-encoding; bh=f5mczPvK5SGFpzCU/vdejJWSD+pSXCw5mb5i3FGoxfc=; b=JXtLUkx1HqFVuy3TMaYjhiJx7/vytXYZpDQNBBdE1b9OP+/4VqtHkcI1i01+Vm6L1F EI9vD1gwDnRuH88aDbeWEZ/A0m8V7yynvSMKhP68emy/4vVSkB12svGci3fNkJZQdn31 0RUo6F1D207yb4SSiW6ERXCJ2FJXP4yccJaQ4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=KSForrbU1j6pKKTy8qpEc0P/F1o0Pp0jMjuI0NDwD8WzCvGb45GOsqtMBbzK8Oqd8d u4ULeJMWguGILwAjQbJpwV1DJSnyfWdxAvOjkMu+ceYrdx9TmDy+8NQpFpGuvXFGQnm4 09aXE2TOiQ4cagXeS/pkjkj6ewvk04G3E5CPk= MIME-Version: 1.0 Received: by 10.143.12.20 with SMTP id p20mr1793528wfi.169.1237153320597; Sun, 15 Mar 2009 14:42:00 -0700 (PDT) Date: Sun, 15 Mar 2009 17:42:00 -0400 Message-ID: <d406c80c0903151442r1a9bec85gb6c4d76e3bbb650@mail.gmail.com> Subject: From: [intentionally blank] To: [intentionally blank] Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-Path: [intentionally blank] X-OriginalArrivalTime: 15 Mar 2009 21:42:01.0178 (UTC) FILETIME=[DFA8C3A0:01C9A5B6] --------------------------------------------------------------------------- X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0xO0Q9MTtTQ0w9Mw== X-Message-Status: n:0 X-SID-PRA: [intentionally blank] X-Message-Info: JGTYoYF78jEMTprTl8w331CkoQizmpCmqxnCg3C7/6rYnU99cUrLT4ytFant33YXRXqzbcVi6ziO9TLT8hBWZbtRXESczgUd Received: from n4.bullet.mail.ac4.yahoo.com ([76.13.13.28]) by COL0-MC4-F45.Col0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 28 Jan 2009 17:31:48 -0800 Received: from [76.13.13.25] by n4.bullet.mail.ac4.yahoo.com with NNFMP; 29 Jan 2009 01:31:47 -0000 Received: from [76.13.10.180] by t4.bullet.mail.ac4.yahoo.com with NNFMP; 29 Jan 2009 01:31:47 -0000 Received: from [127.0.0.1] by omp121.mail.ac4.yahoo.com with NNFMP; 29 Jan 2009 01:31:47 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 363595.47778.bm@omp121.mail.ac4.yahoo.com Received: (qmail 93602 invoked by uid 60001); 29 Jan 2009 01:31:47 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:X-Mailer:Date:From:To:MIME-Version:Content-Type:Message-ID; b=Kyk+z8uEhy7PhXymWywj4uHHzQgCSi6Iyk25Spmc1AEbaMrz5QyDcBF8h4FyRZdaP+QTz4BausIJw6qxfyJiyC85sETztVisBi6Ul+i+KjVblOZAkUVuaqaBdPVX27uKqJNMSvvNWpWm19TIAOLTHtGFhRS/C3ace66LQ8yPzLE=; X-YMail-OSG: okFWDCUVM1ncBFRigGEtOjhqwUTOIbFC7e5frf2NHUJq1JLFXHR6g.lF.WiOGSsqeQIz6TwCgeMusW06VhTxrD7g.S_d5_COfviLxVpMOm_iBFdOHTD_618Zl1foUDFAX6nKKidfA0SRGQKq8AZYys45 Received: from [68.142.242.55] by web59402.mail.ac4.yahoo.com via HTTP; Wed, 28 Jan 2009 17:31:47 PST X-Mailer: YahooMailWebService/0.7.260.1 Date: Wed, 28 Jan 2009 17:31:47 -0800 (PST) From: [intentionally blank] To: "[intentionally blank]" [intentionally blank] MIME-Version: 1.0 Content-Type: multipart/related; boundary="0-1787724010-1233192707=:92982" Message-ID: <110602.92982.qm@web59402.mail.ac4.yahoo.com> Return-Path: [intentionally blank] X-OriginalArrivalTime: 29 Jan 2009 01:31:48.0420 (UTC) FILETIME=[5A7E7040:01C981B1] --0-1787724010-1233192707=:92982 Content-Type: text/html; charset=us-ascii
ASKED: March 19, 2009  5:53 PM
UPDATED: March 19, 2009  7:45 PM

Answer Wiki

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The IP addresses will not match. The IP address identifies the email server and not the client.

<b>Moderator Note:</b> This answer was originally provided by <a href=”http://itknowledgeexchange.techtarget.com/profile/Mshen”>Mshen</a>. I’ve moved it here from the original post.

=======================
Actually there was more to the answer – the headers above may or may not show the client’s IP address. It depends on the receiving system and what addresses are shown in the headers. To read the headers for IP address traversals, start at the bottom and work up to the top. A good header analysis tool that will highlight IP addresses in the headers can be found at <a href=”http://headertool.apelord.com”>http://headertool.apelord.com</a>

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