Once you are ready to set up your email signature, log in to your Cox Webmail account using a web browser. From the left menu, select Webmail > Inbox and then click on Settings.
When you are in Settings, click Signature.
Paste your email signature into the provided text box. You can also tick the Auto Insert box which will automatically append the email signature to the end of your emails.
Your new email signature is now installed! Test it out by composing a new email to make sure it looks correct.