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Email marked as SPAM by Google and Microsoft

Discussion in 'E-mail Discussions' started by Oleg Vasilyev, Oct 4, 2016.

  1. Oleg Vasilyev

    Oleg Vasilyev Registered

    Sep 19, 2016
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    cPanel Access Level:
    Root Administrator

    I've been struggling for quite some time with a specific email server setup based on a cPanel. For some reason emails sent out from this specific server are being marked as spam and delivered to spam/junk folders of Gmail and Outlook. Can somebody with bigger experience please have a look at my current configurations and maybe point out any flaws in the setup or give a hint as to what to look for?

    IP addresses at disposal: x.x.x.127/27
    cPanel installed on: x.x.x.99
    Domains added to WHM on x.x.x.99-105
    In order not to disclose the domain names, I won't be able to provide exact domain names, sorry.

    Emails are being marked as spam when sending from x.x.x.99-105 by either web interface and using email clients.

    SPF, DKIM, MX, PTR entries are valid.
    Domains and IP addresses is not within blacklist check that website offers. results: 8.1/10, main points off have gone from PYZOR_CHECK (-1.985). The message it provides is:
    Similar message reported on Pyzor (
    Please test a real content, test Newsletters will always be flagged by Pyzor
    Adjust your message or request whitelisting (Whitelist - Pyzor)

    Microsoft SNDS does not provide reasons for being marked as spam from what I can see.
    Microsoft support does not provide information on how to proceed with issue fixing.
    Google Postmaster does not provide reasons for being marked as spam from what I can see.
    Google support does not reply on how to proceed with issue fixing.

    Additional information as per the "Guide To Opening An Effective Forums Thread":
    My access level is root administrator.
    Software versions:
    /etc/redhat-release:CentOS Linux release 7.2.1511 (Core)
    Server version: Apache/2.4.18 (Unix)
    Server built: Jun 10 2016 08:13:27
    Cpanel::Easy::Apache v3.32.14 rev9999
    PHP 5.5.36 (cli) (built: Jun 10 2016 08:15:50)
    Copyright (c) 1997-2015 The PHP Group
    Zend Engine v2.5.0, Copyright (c) 1998-2015 Zend Technologies
    mysql Ver 14.14 Distrib 5.6.31, for Linux (x86_64) using EditLine wrapper

    I've completely lost my mind, discovering this... support only sent us a link to the terms and conditions of their service. Google did not respond to a support query at all. I would be glad for any clue on where to search for a solution.

    Oleg Vasilyev
  2. keat63

    keat63 Well-Known Member

    Nov 20, 2014
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    cPanel Access Level:
    Root Administrator
    Do you have RDNS configured at the hosting data centre ?
  3. cPanelMichael

    cPanelMichael Forums Analyst
    Staff Member

    Apr 11, 2011
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    cPanel Access Level:
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