• Contact Us
  • Select a Location
    Close Location Selection

    Current Location:

    Let us know the location you'd like to browse.

    Select a Location

Cox Business Email Server Settings


Use the table below to see the server settings you'll need to configure your third-party email client or application to send or receive your Cox Business Email.

Note: Use the following to support existing email. Cox Business cannot add new email services.

Item Description
Incoming Mail Server pop.coxmail.com

Port: 995
Outgoing Mail Server (Cox-Hosted) smtp.coxmail.com

Port: 465

Note: This is a secured port with SSL enabled and the authentication box must be checked.
IMAP Mail Server imap.coxmail.com

Port: 993
WebMail webmail.coxbusiness.com
Coxmail MX Record mx.coxmail.com
Maximum Message Size 40 MB

Note: Maximum message size includes headers and attachments. The recommended message size is 30 MB for optimal functionality.
Maximum Number of Email Messages an Account Can Hold 10,000, regardless of size
Storage Cox Provides 2 GB per email account
Username Full email address
Authentication Method Plain text and POP before SMTP

Note: You must download to send. Cox doesn't offers the ability to send without authenticating, also known as smart host.
New MyAccount

Cox Business MyAccount Updates

With the new and improved MyAccount portal from Cox Business, you’re in control. Included with your Cox Business services, it’s all right at your fingertips anytime, anywhere. 


  • Perform a health check on your services and reset your equipment
  • Easily configure key features and settings like voicemail and call forwarding
  • View your balance and schedule payments

Search Cox Business Support

Didn't Find What You Were Looking For? Search Here.