Am 26.07.2015 um 03:04 schrieb Alex: > Hi, > > I have a postfix-2.10.5 server on fedora, and have several users that > forward their mail through to gmail. This is apparently enough to > break SPF and make gmail think I'm the originator of the email, > instead of the actual sender. Consequently, gmail considers it spam > and moves it to a spam folder. > > Is there anything I can do, including somehow rewriting the email, to > get gmail (and others, for that matter) to accept these forwarded > emails without considering them spam? > > Can they be rewritten using our SPF information, somehow? > > I've included the header (modified user/IP addresses) in case it's helpful. > > Delivered-To: origu...@gmail.com > Received: by 10.13.203.214 with SMTP id n205csp587551ywd; > Sat, 25 Jul 2015 06:39:29 -0700 (PDT) > X-Received: by 10.55.25.131 with SMTP id 3mr28553330qkz.85.1437831569919; > Sat, 25 Jul 2015 06:39:29 -0700 (PDT) > Return-Path: <earl.ma...@example1.com> > Received: from orion.example.com (orion.example.com. [68.111.111.42]) > by mx.google.com with ESMTPS id > f79si14214872qki.10.2015.07.25.06.39.29 > for <exam...@gmail.com> > (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); > Sat, 25 Jul 2015 06:39:29 -0700 (PDT) > Received-SPF: neutral (google.com: 68.111.111.42 is neither permitted > nor denied by best guess record for domain of earl.ma...@example1.com) > client-ip=68.111.111.42; > Authentication-Results: mx.google.com; > spf=neutral (google.com: 68.111.111.42 is neither permitted nor > denied by best guess record for domain of earl.ma...@example1.com) > smtp.mail=earl.ma...@example.com > Received: by orion.example.com (Postfix) > id 4DC19A60368; Sat, 25 Jul 2015 09:39:29 -0400 (EDT) > Delivered-To: supp...@example.com > Received: from localhost (localhost [127.0.0.1]) > by juggernaut.example.com (Postfix) with ESMTP id CB94A181A9E > for <supp...@example.com>; Sat, 25 Jul 2015 09:39:28 -0400 (EDT) > X-ActualMessageSizeBytes: 41474 > X-ActualMessageSize: > X-Virus-Scanned: amavisd-new at example.com > X-Spam-Flag: NO > X-Spam-Score: -0.399 > X-Spam-Level: > X-Spam-Status: No, score=-0.399 tagged_above=-200 required=5 > tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, LOC_CDIS_INLINE=0.1, > LOC_IMGSPAM=0.1, RDNS_NONE=0.8, RELAYCOUNTRY_LOW=0.5] > autolearn=no autolearn_force=no > Received: from relay.example1.com (relay2.example1.com [206.111.111.44]) > (using TLSv1 with cipher AES128-SHA (128/128 bits)) > (No client certificate requested) > by juggernaut.example.com (Postfix) with ESMTPS id 71AC0180271 > for <supp...@example.com>; Sat, 25 Jul 2015 09:39:21 -0400 (EDT) > Received: from HQXCHA402.example1.com ([fe80::e4d8:XXXX:53e5:e9d2]) by > HQXCHA401.example.com ([fe80::7199:XXXX:b314:a497%25]) with mapi id > 14.03.0224.002; Sat, 25 Jul 2015 06:39:19 -0700 > From: Operations <o...@example1.com> > To: Support <supp...@example.com> > CC: Operations <o...@example1.com> > Subject: User List Request > Thread-Index: AdDG30D3+GNpY2bR+6PMmxGK/70Bw== > Sender: "Marsh, Earl" <earl.ma...@example1.com> > Date: Sat, 25 Jul 2015 13:39:19 +0000 > Message-ID: <68fcc58030b4164e802bb27ff159fe0535e6b...@hqxcha402.example.com> > Accept-Language: en-US > Content-Language: en-US > X-MS-Has-Attach: yes > X-MS-TNEF-Correlator: > x-originating-ip: [172.28.53.207] > Content-Type: multipart/related; > boundary="_010_68FCC58030B4164E802BB27FF159FE0535E6B731HQXCHA402bes_"; > type="multipart/alternative" > MIME-Version: 1.0 > > Any ideas greatly appreciated. > Thanks, > Alex >
https://de.wikipedia.org/wiki/Sender_Rewriting_Scheme perhaps with fedora read https://www.mind-it.info/forward-postfix-spf-srs/ https://github.com/roehling/postsrsd Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein