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    <p>I found my Cox smtp problem. Cox was having trouble with reverse
      DNS locating my IP address. I turned off my VPN and I can send out
      email.  I am going to turn on my VPN. If I have to choose I will
      select VPN over SMTP problems.  <br>
    </p>
    <p>Thanks to all who replied. <br>
    </p>
    <p>Mike Enriquez <br>
    </p>
    <div class="moz-cite-prefix">On 10/14/19 7:38 PM, Thomas Scott
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CALHr=U6U5rM2cjgintgtmpd1ZrFPGpHW2T+jBktWKLrtzpEK1Q@mail.gmail.com">
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        <div class="gmail_default" style="font-family:arial,sans-serif">Cox's
          email platform was recently upgraded, I'd check to see if
          you're using TLS instead of the SSL 3.0 and below. I would
          third the recommendation to get off of Cox's email platform,
          and I'm writing this sitting in Cox's Atlanta NOC. From what
          I've seen, our IT/Data side is moving away from anything
          customer facing that isn't automated and revenue friendly -
          e-mail is a part of that bit bucket. </div>
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            data-smartmail="gmail_signature">
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              <div>
                <div dir="ltr"><a href="http://about.me/thomas.scott"
style="margin:0px;padding:0px;border:0px;outline:0px;font-size:14px;font-family:proxima-nova-1,proxima-nova-2,Tahoma,Helvetica,Verdana,sans-serif;vertical-align:baseline;color:rgb(43,130,173);text-decoration:none;line-height:18.2px"
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                              <a
href="https://about.me/thomas.scott?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=edit_panel&utm_content=thumb"
                                target="_blank" moz-do-not-send="true">
                                <img
src="https://thumbs.about.me/thumbnail/users/t/h/o/thomas.scott_emailsig.jpg?_1558409754_403"
                                  alt="" style="margin: 0px; padding:
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style="line-height:1.1;vertical-align:bottom;padding-top:20px;padding-bottom:20px"
                              valign="bottom" align="left"> <img
                                src="https://about.me/t/sig?u=thomas.scott"
                                style="border: 0px; margin: 0px;
                                padding: 0px; overflow: hidden;
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                              <div
style="font-size:18px;font-weight:bold;color:rgb(51,51,51);font-family:"Proxima
                                Nova",Helvetica,Arial,sans-serif">Thomas
                                Scott</div>
                              <a
href="https://about.me/thomas.scott?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=edit_panel&utm_content=thumb"
style="font-size:12px;color:rgb(43,130,173);font-family:"Proxima
                                Nova",Helvetica,Arial,sans-serif"
                                target="_blank" moz-do-not-send="true">about.me/thomas.scott
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      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Mon, Oct 14, 2019 at 10:26
          PM mike enriquez <<a href="mailto:mylinux@cox.net"
            moz-do-not-send="true">mylinux@cox.net</a>> wrote:<br>
        </div>
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          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <p>Cox has new policies. A friend in my area uses
              incredimail and he has the same issues with cox. <br>
            </p>
            <p>I can receive email but I cannot send it out. I am
              currently using Cox Webmail.<br>
            </p>
            <p>Thanks for the comments everyone. <br>
            </p>
            <p>Mike Enriquez <br>
            </p>
            <blockquote type="cite">On October 14, 2019 at 8:52 PM
              Matthew Crews <<a
                href="mailto:mailinglists@mattcrews.com" target="_blank"
                moz-do-not-send="true">mailinglists@mattcrews.com</a>>
              wrote:<br>
              <br>
              <br>
              On 10/14/19 10:55 AM, mike enriquez wrote:
              <blockquote type="cite">I have a fresh install of Ubuntu
                and Thunderbird email client.  The SMTP<br>
                server keeps timing out. Cox cannot help me because I
                have a Linux<br>
                computer. I changed the Port numbers and still I cannot
                send email out.<br>
                <br>
                I am sending this via Web-mail.<br>
                <br>
                Does anyone have and ideas I should try.</blockquote>
              <br>
              That's odd. I used Cox email for years with Thunderbird
              without issues.<br>
              Maybe they changed something on their back end?<br>
              <br>
              Are you sure you are connecting to the correct SMTP
              server?<br>
              <br>
              Also Cox should not care what operating system you are
              using.<br>
              Thunderbird is OS agnostic software. Their instructions
              for using<br>
              Thunderbird on Windows should be sufficient.<br>
              <br>
              -Matt<br>
              <br>
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