Changing Email Server Settings for Mozilla Thunderbird

Use the following steps to update Mozilla Thunderbird to secure port settings for sending your Cox Email.

For more help using Mozilla Thunderbird, visit Mozilla Support.

To launch Thunderbird, click Start or the Windows icon , then click Mozilla Thunderbird .

Click the Menu icon, hover on Options, and then click Account Settings.

From the Account Settings window, click Outgoing Server (SMTP), then click Edit.

From the SMTP Server window, update the following settings.

• In the Server Name field, enter smtp.cox.net.
• In the Port field, delete 25 or 587, then enter 465.
• In the Connection security drop-down menu, select SSL/TLS.
• In the Authentication method drop-down menu, select Normal password.
• In the User Name field, enter the first part of your Cox Email address, excluding @cox.net.
• Click OK.

From the Account Settings window, click OK.



Notes:

• If Cox Email will not send after updating the outgoing server settings, then reset your password at www.cox.com/password and update the password in your email client and all related applications.
• Cox recommends using the latest software version of third-party email clients. If your email client is an older version, we recommend you update the software to the latest version to ensure the most secure experience. If you need assistance updating your email client, then contact the manufacturer.
• To validate all other settings, refer to Email Server Settings.