As you know that cox webmail sign up is now closed science August 15, 2019. You should also know that "this notice was not sent to customers". But if you have an account on cox.netemail and you face issues while you try to cox mail login then here you can visit and get all the detail that will help you to resolve your issues.
Also visit: https://www.gothic.life/forum/how-to-use-our-forum/how-do-i-log-into-my-cox-webmail-account
Cox no longer offers the ability for new and existing Cox Internet customers to create new Cox Email accounts...” This notice was not sent to customers or posted on the monthly bill. ... Now, the Cox solution for their inept management of their email servers is to start eliminating the email service.