Question: When one sets SPF/TXT record is it for the relay server/IP that sent the email to the internet or the originating one? For example we have a server (atuprd01.water.com) that can not be reached via the internet. Email originating there is relayed through our MS-Exchange server (if sent with domain water.com) or a Linux Sendmail server (if sent with domain waterinvoice.com). All email sent via exchange goes out an IP separate from incoming mail (MX) IP. All email sent via Sendmail has a separate IP from incoming mail (MX) IP. Should the SPF specify the outbound IP (e.g. 12.44.84.204 for atlsnml2.waterinvoice.com) for the Sendmail server email or the IP/name for atuprd01.water.com? Source/Headers for a test message shown below in case it helps: X-Eon-Dm: dm0208 Return-Path: <jllight...@waterinvoice.com> Received: from atlsnml2.waterinvoice.com (12.44.84.204 [12.44.84.204]) by dm0208.mta.everyone.net (EON-INBOUND) with ESMTP id dm0208.4a317b14.3b9c1f3 for <jclight...@copper.net>; Wed, 17 Jun 2009 07:24:11 -0700 Received: from atuprd01.water.com (atuprd01.water.com [10.0.8.120]) by atlsnml2.waterinvoice.com (8.13.8/8.13.8) with ESMTP id n5HEUGY2009868 for <jclight...@copper.net>; Wed, 17 Jun 2009 10:30:16 -0400 Received: (from jligh...@localhost) by atuprd01.water.com (8.9.3 (PHNE_35484)/8.9.3) id KAA21720 for jclight...@copper.net; Wed, 17 Jun 2009 10:30:13 -0400 (EDT) Date: Wed, 17 Jun 2009 10:30:13 -0400 (EDT) From: jllight...@waterinvoice.com Message-Id: <200906171430.kaa21...@atuprd01.water.com> X-Authentication-Warning: atuprd01.water.com: jlightne set sender to jllight...@waterinvoice.com using -r To: jclight...@copper.net Subject: Test from atuprd01 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Please consider our environment before printing this e-mail or attachments. ---------------------------------- CONFIDENTIALITY NOTICE: This e-mail may contain privileged or confidential information and is for the sole use of the intended recipient(s). If you are not the intended recipient, any disclosure, copying, distribution, or use of the contents of this information is prohibited and may be unlawful. If you have received this electronic transmission in error, please reply immediately to the sender that you have received the message in error, and delete it. Thank you. ----------------------------------
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