Cox Email Settings: POP3, IMAP, and SMTP Servers

Cox no longer runs its own email servers: cox.net addresses now live on Yahoo Mail, and Cox Business email is moving to Everymail.
Note: Because cox.net email is now hosted by Yahoo, Cox email users now need to use Yahoo’s IMAP/POP settings instead of Cox’s old server settings. ➡️ Go to Yahoo IMAP/POP settings.

Cox SMTP Settings

To send email from your cox.net address in an email app, use these outgoing (SMTP) settings from Yahoo:

Option Description
SMTP Host:
  • For Cox Email (@cox.net) - smtp.mail.yahoo.com
  • For Cox Business Email - use the settings provided with your Everymail account
SMTP Port:
  • 465 (if the encryption type is SSL or SSL/TLS), or
  • 587 (if the encryption type is TLS)
SMTP Username: Your full mailbox address (name@domain.com)
SMTP Password: A Yahoo app password (not your regular password)

Cox Email Settings For Receiving Emails

The following are the standard settings for Cox POP3 and Cox IMAP, which you should use to successfully receive and manage incoming emails.

Cox Mail POP Settings

Option Description
POP3 Host:
  • For Cox Email (@cox.net) - pop.mail.yahoo.com
  • For Cox Business Email - use the settings provided with your Everymail account
POP3 Port: 995
Requires SSL: Yes
POP3 Username: Your full mailbox address (name@domain.com)
POP3 Password: A Yahoo app password (not your regular password)

Cox IMAP Settings

Option Description
IMAP Host:
  • For Cox Email (@cox.net) - imap.mail.yahoo.com
  • For Cox Business Email - use the settings provided with your Everymail account
IMAP Port: 993
Requires SSL: Yes
IMAP Username: Your full mailbox address (name@domain.com)
IMAP Password: A Yahoo app password (not your regular password)

Additional Key Points to Remember

Aside from the abovementioned mail settings, it is also important to take note of the following to use Cox efficiently.

First things first: because your cox.net mailbox is now a Yahoo account, email apps sign in with an app password. Create one in the security settings of your Yahoo account and enter it in your email app instead of your regular password. The old smtp.cox.net, pop.cox.net, and imap.cox.net servers no longer apply.

💡 Note: Before continuing with the instructions below to change your mail clients from using POP server settings to IMAP server settings, Cox highly recommends that you make a backup of any critical emails you wish to keep before continuing.

  1. Set up an IMAP email account in your client application with the same mail address as the POP account.
  2. Disable or delete the POP account if it is still active.

If your email is not showing up in your newly set up IMAP email account, one of the following possibilities exists:

Looking for Comcast mail settings? Our Blog's Email Settings category contains specs for all major mail service providers.

IMAP or POP3: What Is The Difference?

Post Office Protocol 3 (POP3) is a method for downloading emails from a server to a single computer, after which the emails are usually removed from the server unless you choose to leave a copy there. On the other hand, the Internet Message Access Protocol (IMAP) saves the message to a server while synchronizing it across various devices.

Choosing between POP3 and IMAP is a matter of personal preference.

When it comes to getting emails on several devices, IMAP is the preferable method. If you would rather be able to view your emails even when you are not connected to the internet and already have a specific device for managing your email, then POP might be a better choice for you.

Generally, IMAP is preferred over POP3 by the vast majority of users because it keeps every device in sync.

Noticed that some Cox email settings described are outdated?

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