An enabled Firewall or antivirus could be the reason that you are unable to access the Verizon email services. So, if Verizon email not working, disable the antivirus or firewall on your device. If you are still having the problem, proceed next and disable the add-ons installed on your device.
Is Xfinity having problems with email?
Verizon has retired our email service. We have completed our notifications regarding this change, and customers no longer have the option to keep their Xfinity.net email address or extract and move their data to another service provider
What is happening with Verizon email?
Verizon will no longer provide verizon.net email service. However, customers will be able to keep their current email address. When they receive their notification, they'll be provided two choices. Those who wish to keep their verizon.net addresses can migrate their accounts to AOL Mail