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Additional Postmaster Questions and Answers

Details

View the following frequently asked questions about Cox Postmaster administration. If you have additional questions, then you can contact us.

Why am I being blocked?

The error message that was displayed at the time of the block contains information regarding the reason. Refer to Email Error Codes for more information.

Can I get unblocked?

This depends on the reason for the block. Refer to Email Error Codes for more information about the error and resolution paths.

Can I be whitelisted?

Protection of our customers and network is paramount. Therefore, we do not whitelist.

Does Cox offer a Feedback Loop?

Yes. Refer to Feedback Loop Service for more information.

What are Cox's sending limits?

Cox currently allows up to five simultaneous connections per sending IP address, and up to 100 email messages per connection. However, regardless of these limits, Cox may throttle your sending ability based on your sender reputation. Cox's sending limits and policies are subject to change at any time. Cox will update this website when changes are made.

How do I report abuse?

Refer to Reporting Spam, Phishing, and Virus Abuse for more information.

How do I leave feedback for Cox Email?

There are two options for you to leave feedback.

  1. Create a post on the Cox Internet Support Forum.
  2. Leave a feedback comment through the Feedback button located in the bottom right hand corner of the Cox.com homepage.

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