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Restoring Cox Email Settings in Mail for Mac OS X El Capitan

Last Updated: Fri, 19 Aug 2016 > Related Articles

36 rated this

Summary

Follow these steps to update your server settings if you are having issues with sending and receiving your Cox email and are using Mac OS X El Capitan.

Solution

You may need to update your email server settings whenever operating system updates are installed.

Note: Before troubleshooting email server settings, confirm all pending system updates have completed install.

Updating your email server settings can restore your ability to send and receive Cox email when using Mail for Mac OS X from Leopard 10.5 to El Capitan 10.11.

Use the following steps to edit the incoming and outgoing server settings in Mail for Mac OS X El Capitan.

Editing Settings to Receive Email 

Follow the steps below to edit the incoming mail server settings.

1
  1. Go to the Applications folder and click Mail, or click the Mail icon from the Dock at the bottom of your screen.
  2. From the Mail drop-down menu, click Preferences.

Preferences option

2
Click Accounts, then select the account you want to edit.

Selected account

Note: The Incoming Mail Server field is grayed out and cannot be edited.
3

Complete the following tasks.

  1. Click the Advanced tab.
  2. If checked, uncheck the box next to Automatically detect and maintain account settings.

Account settings check box
 

  1. Click the red circle at the top left of the window.
  2. Click Save to save the changes.

Confirm save changes

4
  1. From the Mail drop-down menu, click Preferences.
  2. Click the Accounts tab.
  3. In the Incoming Mail Server, User Name, and Password fields, enter your information. See Cox Email Server Settings for more details.
  4. Click the red circle at the top left of the window.
  5. Click Save to save the changes.
5

Quit Mail and then test your changes by sending yourself a test email from a different email account.

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Editing Settings to Send Emails 

Follow the steps below to edit the outgoing mail server settings.

1
  1. Go to the Applications folder and click Mail, or click the Mail icon from the Dock at the bottom of your screen.
  2. From the Mail drop-down menu, click Preferences.

Preferences option

2
Click Accounts, then select the account you want to edit.

Selected account

Note: The Incoming Mail Server field is grayed out and cannot be edited.
3

In the Outgoing Mail Server (SMTP) field, review the name populated.

  1. Click the arrows icon next to the Outgoing Mail Server (SMTP) field.

Drop down arrows
 

  1. Click Edit SMTP Server List...

SMTP Server

4

Complete the following tasks.

  1. Select the correct SMTP server displayed in the In Use By Account column.

Account in use
 

  1. Click the Advanced tab.
  2. If checked, uncheck the box next to Automatically detect and maintain account settings.
     
    Important: If Automatically detect and maintain account settings is checked when Apple Mail is exited and re-opened, the Authentication type for the outgoing server will change to MD5 Challenge-Response. This box must remain unchecked and the Authentication displays Password.

Automatically detect and maintain account settings box
 

  1. Verify the correct server settings. See Cox Email Server Settings for more details.
  2. Click OK.
  3. Click Save to save the changes.
5

From the Accounts window, confirm the following.

  1. The box next to Use Only This Server is checked.

    Note: If you use your Mac on a different network, such as an outside Wi-Fi hotspot, the mail server might not accept and send messages. Make sure that Use only this server is not selected so that Mail can use any available server.
     
  2. The selected Outgoing Mail Server is correct.
6
Click the red circle at the top left of the window.
7

From the Inbox, complete the following tasks.

  1. Click Mailbox and then click Take all Accounts Offline.
  2. Re-click Mailbox and then click Take All Accounts Online.
     
    Note: An incorrect password in SMTP generates errors that may mean the Cox email account password is incorrect.
8
Quit and then re-open Mail.
9

Test your changes by sending yourself a test email.

 
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