CODEWITHSUNDEEP
gmailpostfix-mta
DreamWave
DreamWave

Reputation: 1940

Email from postfix sent to spam in gmail

I have set up a POSTFIX server on my VPS and mail sent trough it is going to Spam in gmail. Here is my message:

Delivered-To: [email protected]
Received: by 10.140.43.75 with SMTP id d69csp350632qga;
        Mon, 19 Jan 2015 15:29:29 -0800 (PST)
X-Received: by 10.194.89.39 with SMTP id bl7mr6149887wjb.76.1421710169272;
        Mon, 19 Jan 2015 15:29:29 -0800 (PST)
Return-Path: <[email protected]>
Received: from mail.sgenov.com (mail.sgenov.com. [192.81.221.174])
        by mx.google.com with ESMTP id j9si29338582wjy.109.2015.01.19.15.29.28
        for <[email protected]>;
        Mon, 19 Jan 2015 15:29:29 -0800 (PST)
Received-SPF: pass (google.com: domain of [email protected] designates 192.81.221.174 as permitted sender) client-ip=192.81.221.174;
Authentication-Results: mx.google.com;
       spf=pass (google.com: domain of [email protected] designates 192.81.221.174 as permitted sender) [email protected];
       dkim=pass [email protected]
Received: by mail.sgenov.com (Postfix, from userid 33)
    id 665FB44097; Tue, 20 Jan 2015 01:29:28 +0200 (EET)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=hotelfors-bg.com;
    s=default; t=1421710168;
    bh=ZOL1SsCcV0ncUnB8HJhFqzY/7ZocyZVCh5HCRSTXejY=;
    h=To:Subject:Date:From;
    b=TjCDSt9mOFyoXVGu4CI7xqPxR7iHMtzeL1Nykd+t0cZBlWEH15OQQVdkDR07G4xJH
     WvKPQAFBHPVynQNYbnsRnwf4A57elvUImo77MDLZGhNGrS70fYdIjEjKAWe8BLX61G
     1GuaBLPfJYYUz6SdVjYsBPNm/io2wrWc63Sdvb1M=
To: <[email protected]>
Subject: Hello, Stanimir
X-PHP-Originating-Script: 0:main.inc
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8;
 format=flowed
Content-Transfer-Encoding: 7bit
Date: Tue, 20 Jan 2015 01:29:28 +0200
From: [email protected]
Message-ID: <[email protected]>
X-Sender: [email protected]
User-Agent: Roundcube Webmail/0.7.2

This is my new email. Please add it to contacts and reach me if you 
need anything.

Best Regards

As you can see, my mail server is set up with the following:

Yet, gmail sends all messages from all domains to spam. Does anyone know what the reason could be or what steps I should take? Can I contact someone?

Thanks in advance.

Upvotes: 1

Views: 3570

Answers (3)

Antwan
Antwan

Reputation: 2125

Thanks for the service mentioned above, it appears my server had a valid reverse DNS in IPv4 but not with IPv6, therefore emails would be originating from an instance without associated DNS.

This is why Gmail classified all my emails as spam.

Solution is to disable postfix IPv6 connection by setting the following in Postfix mail.cf

inet_protocols = ipv4

Upvotes: 0

DreamWave
DreamWave

Reputation: 1940

It turned out the server had no issues at all. Gmail seem to keep a history of the server's scores. After I set up everything correctly I had to wait for a month or so before my emails ended up outside the spam folder.

Upvotes: 3

mti2935
mti2935

Reputation: 12027

To see if your mail server has a glaring problem that would cause other mail servers to think it's a spammer, try sending a message from your mail server to [email protected]. This service will do a bunch of checks, and you'll get a report back with ton of information, such whether or not your mail server's DNS is setup correctly, whether your mail server's IP is on any black lists, if you have a problem with your SPF records, etc.

Upvotes: 1

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