• The BIND DNS server has already been deprecated and removed from Plesk for Windows.
    If a Plesk for Windows server is still using BIND, the upgrade to Plesk Obsidian 18.0.70 will be unavailable until the administrator switches the DNS server to Microsoft DNS. We strongly recommend transitioning to Microsoft DNS within the next 6 weeks, before the Plesk 18.0.70 release.
  • The Horde component is removed from Plesk Installer. We recommend switching to another webmail software supported in Plesk.

Question Why are my outgoing E-Mails still marked as Spam on some Sites?

N

Nico4163

New Pleskian
Hello Plesk Users,
i have an Problem, all outgoing E-Mails are marked as Spam on Sites like gmail, yahoo. But i dont know why.

I am dependent on the mails being sent.

Lets post some facts.

Plesk & the Mail Server, both have an SSL Certificate (Both have the same)
The Mailserver IP is 5.199.133.131, and i can't find it on any Blacklist. (I also tried a different IP)

There are Mail-Test Sites on the internet like "mail-tester.com" or "isnotspam.com"
On both Sites, i reach the full score, Because everything is working. My SPF, my dkim record, dmarc record, reverse DNS etc.

The E-Mails are going to Spam, no matter what XXX@domain.com E-Mail i use & no matter what the Content is. I tried a simple Handwritten E-Mail, but also my standard HTML E-Mail. Both are going to Spam on Gmail & Yahoo.

I am using Plesk Onyx 17.5 on Cent OS 7.

If you need any more Detail, or Logs or something, please let me know & please let me know, where i can find these Logs.

-Nico
 
Domain name black listed? The rDNS incorrect? Please

Also try this spf

v=spf1 +a +mx +a:your-mail-server -all
 
Last edited:
Hi Nico4163,

if you experience issues with eMails to GMail, yahoo, hotmail, or any other mail - provider, pls. include as well your eMail - header for further investigations - they mostly point directly to ( possible ) issues, why an eMail is declared as spam.

Often enough, the IP reputation is as well an indicator for mail - providers, how they handle eMails.


In addition, pls. note, that each of these providers have as well a support, where you are able to ask directly, WHY such an issue may appear. They even provide FAQ's for it: ( Example for GMail: => Mark or unmark Spam in Gmail - iPhone & iPad - Gmail Help ). ;)
 
AusWeb said:
Domain name black listed? The rDNS incorrect? Please

Also try this spf

v=spf1 +a +mx +a:your-mail-server -all
Click to expand...

Thank you for your Reply, i tried this spf, but still the Same result.
rDNS is correct. My Mailserver / Plesk are running on "web.vanityhosting.de", and the rDNS Record for my IP is web.vanityhosting.de.

As i said, "Mail Testers" like mail-tester.com & isnotspam.com are giving me 10/10 points..

I couldn't find my Domain Name Blacklisted (Its also a relatively new registered Domain), but i also tried another Domain, both the same result.

UFHH01 said:
Hi Nico4163,

if you experience issues with eMails to GMail, yahoo, hotmail, or any other mail - provider, pls. include as well your eMail - header for further investigations - they mostly point directly to ( possible ) issues, why an eMail is declared as spam.

Often enough, the IP reputation is as well an indicator for mail - providers, how they handle eMails.


In addition, pls. note, that each of these providers have as well a support, where you are able to ask directly, WHY such an issue may appear. They even provide FAQ's for it: ( Example for GMail: => Mark or unmark Spam in Gmail - iPhone & iPad - Gmail Help ). ;)
Click to expand...
Thanks, i think i will contact Google & Yahoo with my Issue, i hope they can tell me exactly why my Mails are marked as Spam
 
Try "View Source" in Gmail and Yahoo.

It will show you if any if the verifications fails according to their systems.

Specially Gmail will show you which Pass and Fails.

In Plesk Mail Server Settings use the specific IP setting and use your above IP.

Also if you are currently sending email using webmail. Try a mail client like Outlook.

Good Luck!
 
Last edited:
AusWeb said:
Try "View Source" in Gmail and Yahoo.

It will show you if any if the verifications fails according to their systems.

Specially Gmail will show you which Pass and Fails.

In Plesk Mail Server Settings use the specific IP setting and use your above IP.

Also if you are currently sending email using webmail. Try a mail client like Outlook.

Good Luck!
Click to expand...

Thank you!

But Yahoo & Google, both show me, that everything is passed.
(on Yahoo, everything except one thing:)
domainkeys=neutral (no sig);

How can i change this?
Full report from Yahoo:
Code: 
X-Apparently-To: danielhoefer4163@yahoo.com; Tue, 25 Apr 2017 17:32:31 +0000
Return-Path: <geschaeftlich@vanityhosting.de>
Received-SPF: pass (domain of vanityhosting.de designates 5.199.133.131 as permitted sender)
X-YMailISG: oym9YU8WLDuUuLDBsHDjHueCWvd2Fi0fP4x8QYqVztxCWg6N
 02VOJAZkrsWdJ0qqtnYljqWUFkvIdjqrM_unkxexd.NWvZYN31TNyJ3sWisf
 Pnh24yjClCjRwKdtc43g.ro97b6hE6.LHAUDTFEG1t3khCd0pp0RixNv4.oT
 KkhnmguCH9rDZvLfTdd8LkSBY4mnvFAGMuJCs9oHveH094Jd2tzTTgZBMqDB
 juplCaFwm_XFEJfYkPf5LhfJwfW1UH4ZQ0LWfIbzz7RxSBDlGyUuQo.fs3oh
 toYWq66MUa88QLZNUoAu6JT2.fpo6tT6VvT1JLBpP.0o1lqdUgyInQN_jNiA
 Q413vUROeh_bk8fdZBMkVOnJG8p5qKSWaTBD.HMyDwP9kz6IJFUuhKbn_5vY
 eu8mqvhWhAbaqpIrNSHdUFOaSz2foGlfjE42ZbEKx6mveAfZRSiqKHWFnIef
 cd_VCwy1vYUZJT8q_1MlUShFt5GKMmaVPR0G8d7fKvSBk.xIzqnr5mKoCPvV
 BidvNkWE_W6PMsYCuOIbf0r3VVxs24TJktaULKhtxSQ61BQbLYSEvCYT9bZv
 Txlb72CGHktROaWYFVlwCFFvl6UwhVqltA3iaTo9hJMsCcQrpKWmrH6FUgqR
 _UrE1HznUYeJeOC65jG51fBp_FI.Tn1aI.E_TAkVg1Nfc06zEXE.AU5Noa1f
 1yzln4V6EhLcRfy9bqDsKBsoJ9dHMCa5JRFufV6c3r6VZoSviLg_p1YkNTbC
 uGWnoOA04oQk88.aLCtp1Qp.HJUSngKw3Wjh100wg17UwbNaZP7zxt4svm8y
 3hWpT_ocBe2TCBoHR4ePkMVtZ20sjBodCUtPGjmPaBL8fQNhpknl1eeA0itY
 eVVirOh3k4EogBcUXplkIF0Et0EexkPmCMz2v4JQ3cF6xL7KHlm_f8WQIHyy
 MqRAVfKgxldUh.CvS.IrImTwi46KwPU5LOZdYiSqsiTb3c.3hOh9nj.ZRqtJ
 Veje3OTlUNIQ_270YRuK8T1soaZ1Y4fcVrRm3tCl1yc73V1ov32MWClu0cQy
 gtGbDPS6xRDfcC3vqQ762wf5hZTqdFjPK33USnXfRlQmQsPR2cHPCuPrNFfM
 4Mj0B6kq8zCqJpF72.yg4We0oYP5l8Ekcc1Z52thk1C659E16yoKmNwKtDyJ
 aLRtrnZ.zNwEpSENtmBJJCXE.TyayJqu7cwcLpedDZ4rtZjC0FQ1O86CA3nv
 iwXC.5.YKs.nQP82w49vUpEu.EdR4xD9MVsFXfRzWxoJYiI9Of.pj.Vq7LtB
 N0ufgvx5AGkkZXSWs6EphpDPc3nD3ZhbcH_e
X-Originating-IP: [5.199.133.131]
Authentication-Results: mta1303.mail.ne1.yahoo.com  from=vanityhosting.de; domainkeys=neutral (no sig);  from=vanityhosting.de; dkim=pass (ok)
Received: from 127.0.0.1  (EHLO web.vanityhosting.de) (5.199.133.131)
  by mta1303.mail.ne1.yahoo.com with SMTPS; Tue, 25 Apr 2017 17:32:29 +0000
Received: from webmail.vanityhosting.de (localhost [IPv6:::1])
   by web.vanityhosting.de (Postfix) with ESMTPA id 66FE35273
   for <danielhoefer4163@yahoo.com>; Tue, 25 Apr 2017 19:32:27 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vanityhosting.de;
   s=default; t=1493141547;
   bh=q6J3ze317qYwRu1B6JsNA+x6VCPQDGzMexzbvmYfsm8=; l=36;
   h=From:To:Subject;
   b=ikfN/MjEGz/7lXkTNH7cWf7cZ6bpbjw/d5JBgSm4HbM55HKgbDdzo9vFdA8CuAHC7
    Ibd19Wl/zC+ydqd5PifUFQoa2pASoJvU8KnOU2WizAGHMypxsOzKOv3JaS2sk9zSPV
    s7tnBgW+b1eSq/S8/M8LjuV0ohKxE7nKger6W4eY=
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII;
 format=flowed
Content-Transfer-Encoding: 7bit
Date: Tue, 25 Apr 2017 19:32:27 +0200
From: geschaeftlich@vanityhosting.de
To: danielhoefer4163@yahoo.com
Subject: Hallo moin,
Message-ID: <064d706f80911f1eab228d5dff75ca30@vanityhosting.de>
X-Sender: geschaeftlich@vanityhosting.de
User-Agent: Roundcube Webmail/1.2.4
Content-Length: 35

Full Report from Google:
Code: 
Delivered-To: nitrox1102@gmail.com
Received: by 10.12.171.141 with SMTP id j13csp1971793qvb;
       Tue, 25 Apr 2017 10:29:38 -0700 (PDT)
X-Received: by 10.80.184.226 with SMTP id l89mr6188904ede.137.1493141378372;
       Tue, 25 Apr 2017 10:29:38 -0700 (PDT)
Return-Path: <geschaeftlich@vanityhosting.de>
Received: from web.vanityhosting.de (web.vanityhosting.de. [5.199.133.131])
       by mx.google.com with ESMTPS id u30si523872eda.178.2017.04.25.10.29.37
       for <nitrox1102@gmail.com>
       (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
       Tue, 25 Apr 2017 10:29:37 -0700 (PDT)
Received-SPF: pass (google.com: domain of geschaeftlich@vanityhosting.de designates 5.199.133.131 as permitted sender) client-ip=5.199.133.131;
Authentication-Results: mx.google.com;
      dkim=pass header.i=@vanityhosting.de;
      spf=pass (google.com: domain of geschaeftlich@vanityhosting.de designates 5.199.133.131 as permitted sender) smtp.mailfrom=geschaeftlich@vanityhosting.de;
      dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=vanityhosting.de
Received: from webmail.vanityhosting.de (localhost [IPv6:::1]) by web.vanityhosting.de (Postfix) with ESMTPA id 45AD55272 for <nitrox1102@googlemail.com>; Tue, 25 Apr 2017 19:29:37 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vanityhosting.de; s=default; t=1493141377; bh=bOMuqZFED6h1qrrqKcU+PDA4KnUPBuGySNPA4GqcAgA=; l=27; h=From:To:Subject; b=O5fjOZkWEhp6fNK2RP5q3R/4Z6jNePhrPqg10QoBdVEj8035TmPWldSskJEUT1KqN
    qoqfahCmFsjK23TCnF2WIbZ8r9UW1+MYJVwnc97F4YPQ8qLI6CcGGmxKn6hK2G6ugO
    mRyS3D0HSFSQrTtBx8PuAg6lD6J9UY+021yJIrB4=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Date: Tue, 25 Apr 2017 19:29:37 +0200
From: geschaeftlich@vanityhosting.de
To: nitrox1102@googlemail.com
Subject: Deine Hose ist toll
Message-ID: <f6347686710abc9bb90834ae6ebc65b3@vanityhosting.de>
X-Sender: geschaeftlich@vanityhosting.de
User-Agent: Roundcube Webmail/1.2.4
 
Plesk is no longer using domainkeys. so the result is all good.

I'm not sure about (localhost [IPv6:::1]), should it be ((localhost [127.0.0.1]) since you are using IPv4 in every where else in this email?
 
AusWeb said:
Plesk is no longer using domainkeys. so the result is all good.

I'm not sure about (localhost [IPv6:::1]), should it be ((localhost [127.0.0.1]) since you are using IPv4 in every where else in this email?
Click to expand...

There shouldn't be anything with IPv6, the Server, where plesk is running doesn't have any IPV6 Adresses..

Could this problem have arisen because of my /etc/hosts?
Code: 
# 127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

5.199.133.131   web.vanityhosting.de    web

127.0.0.1 localhost

Should i delete the ::1 Line?
 
So you are not using any IPv6?

Please try to send an email using a mail client like Outlook.

If you have a different gmail address send it there this time
 
AusWeb said:
So you are not using any IPv6?

Please try to send an email using a mail client like Outlook.

If you have a different gmail address send it there this time
Click to expand...

I have send an E-Mail now with "Thunderbird" And there isnt anything with ipv6 now, but its still in Spam. (I created another Gmail & Yahoo E-Mail)
 
AusWeb said:
Sorry Im not sure that is the Issue is.

Everything looks ok to me
Click to expand...

But thank you very much for your time & help!

I hope i find a solution for my Problem. Maybe the reason is really, that my IP & my Domain are new, so they doesn't have any reputation.

Anyway, i contacted Yahoo & Google and waiting for there answer.
 
I have setup brand new server and domain which didn't have any reputation. I haven't had any issue, specially with GMail.

Please update this thread when you find what was the issue.
 
Hi Nico4163,

I just noticed:
Nico4163 said:
(I also tried 2 different Domains, which i registered today)
Click to expand...
Then the issue is totally normal and nothing to worry about, because in about 5 days, this issue should disappear like a ghost! ;)

It is a well-known fact that Hotmail, GMail, Outlook and several others mark "new registered domains" and their corresponding IPs as spam for the first couple of days after your initial domain registration. You might find it usefull to search for articles, or forum - threads with Google for example. Even if you setup all as recommended and suggested, you will still experience this behaviour by some Free-Mail - providers and as I already wrote, this will mostly disappear ( if eMails from these new domains are not marked as Spam from users receiving the eMails ). Pls. check back in 4-5 days from now to get some additional suggestions for possible additional ways to ask for whitelisting at the mentioned providers. ;)
 
Last edited by a moderator:
@Nico4163 do you think your IP have been heavily spamming before? It might not be blacklisted public lists but in thier systems they maintain their own blacklists.

As I remember you can get IP reputation data in gmail and hotmail system. Can you send an email to hotmail at all without been rejected?

Is it possible to change your mail server IP? Do you have another IP in your server? But you will have to set the rDNS to your hostname.

I dont believe in new Domain goes to Spam theory or it has not happened to me yet!
 
Last edited:
AusWeb said:
@Nico4163 do you think your IP have been heavily spamming before? It might not be blacklisted public lists but in thier systems they maintain their own blacklists.

As I remember you can get IP reputation data in gmail and hotmail system. Can you send an email to hotmail at all without been rejected?

Is it possible to change your mail server IP? Do you have another IP in your server? But you will have to set the rDNS to your hostname.

I dont believe in new Domain goes to Spam theory or it has not happened to me yet!
Click to expand...

So, i created a Hotmail Account and send an Email to it. It couldn't be send and i got the following "Email back"
host mx4.hotmail.com[104.44.194.236] said: 550
SC-001 (SNT004-MC10F6) Unfortunately, messages from 5.199.133.131 weren't
sent. Please contact your Internet service provider since part of their
network is on our block list. You can also refer your provider to
Troubleshooting. (in reply to MAIL
FROM command)

And i think, this means, my IP is blacklisted on the most Mail Services.

I can add some different IPs to my Server where Plesk is running, but how do i change the Mailserver IP Address?
 
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