Forum Discussion

djplagzilla's avatar
djplagzilla
New Contributor II
4 years ago

Cxdns error when sending mail from my Outlook 365 account.

Cxdns error when sending mail from my Outlook 365 account. Is Cox blocking use of Outlook? Appears that Cox use of Cloudmark is filtering/blocking my outbound messages. I’m not sending bulk emails! O...
dmoranok's avatar
dmoranok
New Contributor

I am also having this same exact issue as well.

MichaelJ's avatar
MichaelJ
Moderator
4 years ago
Hi Dmoranok,

Are you able to send/receive emails using Cox Web Mail after you are logged on to the Cox website: www.cox.com?
This link may prove helpful as it lists the error codes and suggests steps to take: www.cox.com/.../email-error-codes.html

If you were unable to resolve your problem using the steps in the Error Codes section, send us an email at unblock.request@cox.net for assistance. Please scroll doen to the bottom of the article for the requisite information needed in your email.

Thank you,

Mike J.
Cox Support Forums Moderator
  • djplagzilla's avatar
    djplagzilla
    New Contributor II
    4 years ago

    I finally figured this out. I disabled/turned OFF the McAfee VPN option and now I am able to send emails!

    Just guessing here but the VPN option must have been changing my IP address and Cox was thinking this was a blacklisted IP???

    Not sure of the technical details but everything is working again!

    • CrystalS's avatar
      CrystalS
      Former Moderator
      4 years ago
      Hello @Djplagzilla,

      I'm so glad that you got your emails working. Is there anything else we can do for you? We are always available to assist you at any time. Please use the Cox app to manage your bill, reset equipment. We appreciate your business and being a loyal Cox customer. Please stay safe and healthy. Thank you for contacting the Social Media Support Group.

      www.cox.com/.../cox-app.html

      Check out the Cox App

      Crystal S.
      Cox Support Forum Moderator