I set up a mail server, when I give Gmail to send test message is marked as spam
system: ubuntu + postfix + dkim + dk + spf + ptr
This is the message header
Delivered-To: test@gmail.com
Received: by 10.229.145.65 with SMTP id c1csp254265qcv;
Tue, 15 Jul 2014 21:45:43 -0700 (PDT)
X-Received: by 10.70.33.102 with SMTP id q6mr27519891pdi.39.1405485942641;
Tue, 15 Jul 2014 21:45:42 -0700 (PDT)
Return-Path: <root@myservice.com>
Received: from myservice.com (myservice.com. [192.157.254.126])
by mx.google.com with ESMTP id gx11si9099827pbd.62.2014.07.15.21.45.41
for <test@gmail.com>;
Tue, 15 Jul 2014 21:45:42 -0700 (PDT)
Received-SPF: pass (google.com: domain of root@myservice.com designates 192.157.254.126 as permitted sender) client-ip=192.157.254.126;
Authentication-Results: mx.google.com;
spf=pass (google.com: domain of root@myservice.com designates 192.157.254.126 as permitted sender) smtp.mail=root@myservice.com;
dkim=pass header.i=@myservice.com
Received: from myservice.com (localhost.localdomain [127.0.0.1])
by myservice.com (Postfix) with ESMTP id 45F265A2061F
for <test@gmail.com>; Wed, 16 Jul 2014 00:45:40 -0400 (EDT)
DomainKey-Signature: a=rsa-sha1; s=mail; d=myservice.com; c=simple; q=dns;
b=iT7uvHDnQlxwHLtoPLuM7MA4IvWuzWCtWXALDWuSpDOQnMnMjFCfPwzYF3dOPyPGn
1fMqWylOiHoimUT+EAOwLFxdW0/xvcmF319dhAj6KNsA+Dx61an1f4S54xKrxKbN0h6
D6XXNPTcMbBoMOnzayzCUoIgpMoNZLh5w9+osXs=
DKIM-Signature: v=1; a=rsa-sha1; c=simple/simple; d=myservice.com; s=mail;
t=1405485940; bh=zm1Rb6iYct2ei4UtHDsR95MNcq4=;
h=Date:To:From:Reply-To:Subject:Message-ID:List-Unsubscribe:
MIME-Version:Content-Type:Content-Transfer-Encoding;
b=hD/6T0LxzUi8CtW0JccGfeByyN+jgLYoJ2Dz40+6abi+/F749mHwL9MtIn/Ax4SjA
KNZK8od0qRO9RR5tRv4vYh53oAKqVDJyc79Uv/wGwI/4rBYMI20oASE5Gw15icB7j2
fjZ9IM3COYVLnIOvzV7D1PAAHdUtEGp/g0ZKOjYI=
Date: Wed, 16 Jul 2014 12:45:40 +0800
To: h271299921 <test@gmail.com>
From: root <root@myservice.com>
Reply-To: no-reply@myservice.com
Subject: this is my email
Message-ID: <5ec8f7d42180e6aa8874388570847249@myservice.com>
X-Priority: 3
X-YarnBlaster: bulk
List-Unsubscribe: <https://www.myservice.com/?mail=mailinglist/unsubscribe_token/1405485940ZHoxUEtySG9acG9VK3c4aWNlR3R6WTl5R2txamR4SUxVK0lYR2E5VFNHVT0uLjE0MDUzNTczODA=>
MIME-Version: 1.0
Content-Type: multipart/alternative
boundary="b1_5ec8f7d42180e6aa8874388570847249"
Content-Transfer-Encoding: 8bit
this is my test result using mail-tester.com.