I'm trying to setup a forwarding only email server. I'm running into the problem where all messages forwarded via postfix are getting put into gmail's spam folder and getting flagged as forged. I'm testing a very similar setup on a cpanel box and their forwarded emails make it through without any problem.
Things I've done:
- Setup reverse dns on forwarding box
- Setup SPF record for forwarding box domain
CPanel route (not flagged as spam): mail@personaldomain.com -> mail@kendall.domain.com -> personaluser@gmail.com
AWS postfix route (flagged as spam): mail@personaldomain.com -> mail@personaldomain2.com -> personaluser@gmail.com
Gmail error message:
/etc/postfix/main.cf
myhostname = sputnik.*domain*.com
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no
append_dot_mydomain = no
readme_directory = no
myorigin = /etc/mailname
mydestination = sputnik.*domain*.com, localhost.*domain*.com, , localhost
relayhost =
mynetworks = 127.0.0.0/8 10.0.0.0/24 [::1]/128 [fe80::%eth0]/64
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
virtual_alias_maps = hash:/etc/postfix/virtual
Email forwarded by CPanel (doesn't get marked as spam):
Delivered-To: *personaluser*@gmail.com
Received: by 10.182.144.98 with SMTP id sl2csp14396obb;
Wed, 9 May 2012 09:18:36 -0700 (PDT)
Received: by 10.182.52.38 with SMTP id q6mr1137571obo.8.1336580316700;
Wed, 09 May 2012 09:18:36 -0700 (PDT)
Return-Path:
Received: from web6.*domain*.com (173.193.55.66-static.reverse.softlayer.com. [173.193.55.66])
by mx.google.com with ESMTPS id ec7si1845451obc.67.2012.05.09.09.18.36
(version=TLSv1/SSLv3 cipher=OTHER);
Wed, 09 May 2012 09:18:36 -0700 (PDT)
Received-SPF: neutral (google.com: 173.193.55.66 is neither permitted nor denied by best guess record for domain of mail@*personaldomain*.com) client-ip=173.193.55.66;
Authentication-Results: mx.google.com; spf=neutral (google.com: 173.193.55.66 is neither permitted nor denied by best guess record for domain of mail@*personaldomain*.com) smtp.mail=mail@*personaldomain*.com
Received: from mail-vb0-f43.google.com ([209.85.212.43]:56152)
by web6.*domain*.com with esmtps (TLSv1:RC4-SHA:128)
(Exim 4.77)
(envelope-from )
id 1SS9b2-0007J9-LK
for mail@kendall.*domain*.com; Wed, 09 May 2012 12:18:36 -0400
Received: by vbbfq11 with SMTP id fq11so599132vbb.2
for ; Wed, 09 May 2012 09:18:35 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=google.com; s=20120113;
h=mime-version:x-originating-ip:date:message-id:subject:from:to
:content-type:x-gm-message-state;
bh=Hr0AH40uUtx/w/u9hltbrhHJhRaD5ubKmz2gGg44VLs=;
b=IBKi6Xalr9XVFYwdkWxn9PLRB69qqJ9AjUPdvGh8VxMNW4S+hF6r4GJcGOvkDn2drO
kw5r4iOpGuWUQPEMHRPyO4+Ozc9SE9s4Px2oVpadR6v3hO+utvFGoj7UuchsXzHqPVZ8
A9FS4cKiE0E0zurTjR7pfQtZT64goeEJoI/CtvcoTXj/Mdrj36gZ2FYtO8Qj4dFXpfu9
uGAKa4jYfx9zwdvhLzQ3mouWwQtzssKUD+IvyuRppLwI2WFb9mWxHg9n8y9u5IaduLn7
7TvLIyiBtS3DgqSKQy18POVYgnUFilcDorJs30hxFxJhzfTFW1Gdhrwjvz0MTYDSRiGQ
P4aw==
MIME-Version: 1.0
Received: by 10.52.173.209 with SMTP id bm17mr326586vdc.54.1336580315681; Wed,
09 May 2012 09:18:35 -0700 (PDT)
Received: by 10.220.191.134 with HTTP; Wed, 9 May 2012 09:18:35 -0700 (PDT)
X-Originating-IP: [99.50.225.7]
Date: Wed, 9 May 2012 12:18:35 -0400
Message-ID:
Subject: test5
From: Kendall Hopkins
To: mail@kendall.*domain*.com
Content-Type: multipart/alternative; boundary=bcaec51b9bf5ee11c004bf9cda9c
X-Gm-Message-State: ALoCoQm3t1Hohu7fEr5zxQZsC8FQocg662Jv5MXlPXBnPnx2AiQrbLsNQNknLy39Su45xBMCM47K
X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
X-AntiAbuse: Primary Hostname - web6.*domain*.com
X-AntiAbuse: Original Domain - kendall.*domain*.com
X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse: Sender Address Domain - *personaldomain*.com
X-Source:
X-Source-Args:
X-Source-Dir:
--bcaec51b9bf5ee11c004bf9cda9c
Content-Type: text/plain; charset=ISO-8859-1
test5
--bcaec51b9bf5ee11c004bf9cda9c
Content-Type: text/html; charset=ISO-8859-1
test5
--bcaec51b9bf5ee11c004bf9cda9c--
Email forwarded via AWS postfix box (marked as spam):
Delivered-To: *personaluser*@gmail.com
Received: by 10.182.144.98 with SMTP id sl2csp14350obb;
Wed, 9 May 2012 09:17:46 -0700 (PDT)
Received: by 10.229.137.143 with SMTP id w15mr389471qct.37.1336580266237;
Wed, 09 May 2012 09:17:46 -0700 (PDT)
Return-Path:
Received: from sputnik.*domain*.com (sputnik.*domain*.com. [107.21.39.201])
by mx.google.com with ESMTP id o8si1330855qct.115.2012.05.09.09.17.46;
Wed, 09 May 2012 09:17:46 -0700 (PDT)
Received-SPF: neutral (google.com: 107.21.39.201 is neither permitted nor denied by best guess record for domain of mail@*personaldomain*.com) client-ip=107.21.39.201;
Authentication-Results: mx.google.com; spf=neutral (google.com: 107.21.39.201 is neither permitted nor denied by best guess record for domain of mail@*personaldomain*.com) smtp.mail=mail@*personaldomain*.com
Received: from mail-vb0-f52.google.com (mail-vb0-f52.google.com [209.85.212.52])
by sputnik.*domain*.com (Postfix) with ESMTP id A308122AD6
for ; Wed, 9 May 2012 16:17:45 +0000 (UTC)
Received: by vbzb23 with SMTP id b23so448664vbz.25
for ; Wed, 09 May 2012 09:17:45 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=google.com; s=20120113;
h=mime-version:x-originating-ip:date:message-id:subject:from:to
:content-type:x-gm-message-state;
bh=XAzjH9tUXn6SbadVSLwJs2JVbyY4arosdTuV8Nv+ARI=;
b=U8gIgHd6mhWYqPU4MH/eyvo3kyZsDn/GiYwZj5CLbs6Zz/ZOXQkenRi7zW3ewVFi/9
uAFylT8SQ+Wjw2l6OgAioCTojfZ58s4H/JW+1bu460KAP9aeOTcZDNSsHlsj0wvH5XRV
4DQJa11kz+WFVtVVcFuB33WVUPAgJfXzY+pSTe+FWsrZyrrwL7/Vm9TSKI5PBwRN9i4g
zAZabgkmw1o2THT3kbJi6vAbPzlqK2LVbgt82PP0emHdto7jl4iD5F6lVix4U0dsrtRv
xuGUE0gDyIwJuR4Q5YTkNubwGH/Y2bFBtpx2q1IORANrolWxIGaZSceUWawABkBGPABX
1/eg==
MIME-Version: 1.0
Received: by 10.52.96.169 with SMTP id dt9mr282954vdb.107.1336580265812; Wed,
09 May 2012 09:17:45 -0700 (PDT)
Received: by 10.220.191.134 with HTTP; Wed, 9 May 2012 09:17:45 -0700 (PDT)
X-Originating-IP: [99.50.225.7]
Date: Wed, 9 May 2012 12:17:45 -0400
Message-ID:
Subject: test4
From: Kendall Hopkins
To: mail@*personaldomain2*.com
Content-Type: multipart/alternative; boundary=20cf307f37f6f521b304bf9cd79d
X-Gm-Message-State: ALoCoQkrNcfSTWz9t6Ir87KEYyM+zJM4y1AbwP86NMXlk8B3ALhnis+olFCKdgPnwH/sIdzF3+Nh
--20cf307f37f6f521b304bf9cd79d
Content-Type: text/plain; charset=ISO-8859-1
test4
--20cf307f37f6f521b304bf9cd79d
Content-Type: text/html; charset=ISO-8859-1
test4
--20cf307f37f6f521b304bf9cd79d--
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