Google Marks Apparently Perfect Email as Spam

First post, there are many answers here, so the hopes are high.

Problem: Google seems to have correctly formatted emails from my apache / postfix server as spam. Sample email as follows;

(I replaced my domain with mydomain.com.au and IP with a fake IP address)

Delivered-To: my.email@gmail.com
Received: by 10.150.216.21 with SMTP id o21cs22383ybg;
        Fri, 26 Feb 2010 23:11:55 -0800 (PST)
Received: by 10.231.152.75 with SMTP id f11mr1470919ibw.50.1267254715619;
        Fri, 26 Feb 2010 23:11:55 -0800 (PST)
Return-Path: <apache@mydomain.com.au>
Received: from mydomain.com.au (mydomain.com.au [80.107.158.80])
        by mx.google.com with ESMTP id 29si1651619iwn.31.2010.02.26.23.11.54;
        Fri, 26 Feb 2010 23:11:55 -0800 (PST)
Received-SPF: pass (google.com: domain of apache@mydomain.com.au designates 80.107.158.80 as permitted sender) client-ip=80.107.158.80;
Authentication-Results: mx.google.com; spf=pass (google.com: domain of apache@mydomain.com.au designates 80.107.158.80 as permitted sender) smtp.mail=apache@mydomain.com.au
Received: by mydomain.com.au (Postfix, from userid 48)
    id ACB735030340; Sat, 27 Feb 2010 18:11:53 +1100 (EST)
To: my.email@gmail.com
Subject: Quote for David Brent (00125512123)
From: quotes@mydomain.com.au
Reply-To: quotes@mydomain.com.au
X-Mailer: PHP/5.2.10
Message-Id: <20100227071153.ACB735030340@mydomain.com.au>
Date: Sat, 27 Feb 2010 18:11:53 +1100 (EST)

Name: David Brent

Mobile: 00125512123

Phone:

Email: my.email@gmail.com

Date: 2010-20-21

Time: 21:00

Location: Syd

Eventype: Musicians

Message: Yep, this should work!!!!

how did you hear about us: Newspaper
  • I tried to send it to emails other than Google, and they arrive normally.
  • I tried sending several different google accounts, they all fall into spam.
  • Mydomain.com.au uses Google Apps as an email provider.
  • I added "v = spf1 a mx ~ all" as TXT in my NS.
  • http://remote.12dt.com/, DNS, , IP- .

, SPF, , (?).. ?

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Source: https://habr.com/ru/post/1734671/


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