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  • Hi iSparky System

    Thank you for your reply. I did pretty much everything you have listed including dkim successfully. Now, our sent emails go into inbox of our recipient not in their junk or spam folder. :)

    Nicks and your post will definitely help others as well.


  • Hi,

    I ran the command on the terminal through SSH, nothing showed up. However, I took out the underscore out and it listed all the features starting with stmp as show below.

  • Hi Nick,

    Thank you for your reply. I did look into /etc/postfix/ and I don't see smtp_tls_security_level option in the file. However, I do see smtp_use_tls option set yes. Can I add this option in the file just like you have? Just wondering. Thanks.

  • My email sent from our ClearOS webserver is not Encrypted.

    I just noticed that our emails are not encrypted when sent. At least that's what Gmail is saying. So, What do I do to encrypt our emails being sent out?

  • Our mail domain is

    Our domain name or the is not BLACKLISTED according to MXToolBox and other websites. (smtp = pop3 =

    Now, I am bit confused. Why would GMX reject emails using ISP generic PTR as suppose to third-party SMTP provider? Is this suppose to mean that they don't trust ISPs PTR even though that's whom you go through for your INTERNET connection to the world? Just wondering...

    There is no point in munging you domainkey. :D :D :D :D Well, I wasn't thinking totally looks like... lol... :D :D :D

  • Why does any emails send from our ClearOS webserver received in their JUNK or SPAM folder?


    This is something very very new to me. I had no idea that in addition to NORMAL DNS setup for your domain you also need to have other DNS records especially for successful email delivery.

    So, here is my problem. I am not sure what happened but for about a month or two everyone at the company has been experiencing this issue. Anytime anyone sends any email from our ClearOS webserver to anyone, it lands in the recipient's SPAM or JUNK folder. So, I have been looking into this for about two days now and doing research and making changes along the way. In my search for answers, I came across a posting within ClearOS forum about this listing all the steps necessary clearly at the following links. and As suggested by Nick Howitt.

    I created DMARC, SPF and Domain name Key TXT record for our domain as follows:

    Through SSH I was able to successfully install DKIM on ClearOS webserver.

    So, at this point I thought I am good and once the DNS is propagated, we shouldn't have this problem of our recipients getting our email in their junk or spam folder. I was wrong. We are still having this issue.

    So, once again back to the drawing board I went and looked into this. And now I am reading about Reverse DNS Record and PTR Record. Online community is saying I have to have these records or our email will be seen as SPAM. As a result, I wanted to know if our webserver IP address already have Reverse Record and PTR Record and I found a website at this link and MXtoolbox that let me find out if we did and we do have Reverse DNS and PTR record as follows.

    After all this work, our emails are still received as SPAM or JUNK and accordingly it is placed in their JUNK or SPAM folder in the recipients email program.
    So, what am I missing? or Is there still something else to do?

    Any help will be greatly appreciated. Thank you,

  • Hi

    Mail AntiSpam and Mail Antivirus is enabled as shown in the image.

    I have thought about discarding the messages based on subject line, but like Nick said I will also be discarding legitimate Mailer Daemon message.

    I will have to try what Nick suggested and see if it helps any.


  • Here you go

    Return-Path: <>
    Received: from localhost (localhost [])
    by (Cyrus v2.4.17-Fedora-RPM-2.4.17-8.v7.1) with LMTPA;
    Mon, 18 Feb 2019 09:21:22 -0500
    X-Sieve: CMU Sieve 2.4
    Received: by (Postfix)
    id 1B85A80439773; Mon, 18 Feb 2019 09:21:19 -0500 (EST)
    Date: Mon, 18 Feb 2019 09:21:19 -0500 (EST)
    From: (Mail Delivery System)
    Subject: Undelivered Mail Returned to Sender
    Auto-Submitted: auto-replied
    MIME-Version: 1.0
    Content-Type: multipart/report; report-type=delivery-status;
    Content-Transfer-Encoding: 7bit
    Message-Id: <>

    This is a MIME-encapsulated message.

    Content-Description: Notification
    Content-Type: text/plain; charset=us-ascii

    This is the mail system at host

    I'm sorry to have to inform you that your message could not
    be delivered to one or more recipients. It's attached below.

    For further assistance, please send mail to postmaster.

    If you do so, please include this problem report. You can
    delete your own text from the attached returned message.

    The mail system

    <>: connect to[]:25:
    Connection timed out

    Content-Description: Delivery report
    Content-Type: message/delivery-status

    Reporting-MTA: dns;
    X-Postfix-Queue-ID: F237580473A51
    X-Postfix-Sender: rfc822;
    Arrival-Date: Wed, 13 Feb 2019 08:26:12 -0500 (EST)

    Final-Recipient: rfc822;
    Original-Recipient: rfc822;
    Action: failed
    Status: 4.4.1
    Diagnostic-Code: X-Postfix; connect to[]:25:
    Connection timed out

    Content-Description: Undelivered Message
    Content-Type: message/rfc822
    Content-Transfer-Encoding: 7bit

    Return-Path: <>
    Received: from localhost (localhost [])
    by (Postfix) with ESMTP id F237580473A51
    for <>; Wed, 13 Feb 2019 08:26:12 -0500 (EST)
    X-Virus-Scanned: amavisd-new at
    Received: from ([])
    by localhost ( []) (amavisd-new, port 10024)
    with ESMTP id L6fJXnbBUVPM for <>;
    Wed, 13 Feb 2019 08:26:12 -0500 (EST)
    Received: from localhost (localhost [])
    by (Postfix) with ESMTP id 477DE80473A50
    for <>; Wed, 13 Feb 2019 08:26:12 -0500 (EST)
    Received: from WIN-AUDMJQU1G3S (unknown [])
    by (Postfix) with ESMTPA id E007480473A4E
    for <>; Wed, 13 Feb 2019 08:26:11 -0500 (EST)

  • How do you access AWSTATS interface once it is installed and running?

    I was able to install AWSTATS on my ClearOS web server system by executing the following terminal command on putty as follows.

    It was successful and I see awstats folders where they are suppose to be and even starting to see stats files are being created.

    So, now the question is how do I access its awesome graphical interface on my browser? I tried and didn't work. I tried ip address/awstats and didn't work.

    Any help or hints or solution would be greatly appreciated.

    Thank you,

  • Hi Ben,

    Yes, you are right, but if you have certain items on your webpage like say JAVASCRIPT and it can't block them browser will flag that web page as unsafe. For instance, on some of my web pages I had JavaScript for slideshows and direct links to images and other webpages using HTTP. Those webpages were flagged as unsafe and the browser said "Unsecure Connection." Once I painstakingly went through page by page and removed or fixed all those offending items, browser reported secure connection. So, even though I had HTTPS working with Dirk and Nick's helps, I still needed to cleanup my webpages for HTTPS to work on our website.