If you are going through with the verizon email not working today issue. Then you don't need to worry about it because here I am come with solutions. Simply apply given solutions:
Check your internet connection
Disable Add-ons and Security Software
Optimize Your Browser
Check your Server Settings
Reset your Verizon email password
recommended: https://onlinehubb.com/compuserve-mail-login/
In fact, sometimes you just need to check if this email is still active. I often use Mailtester to check if an email exists, and if not, simply remove it from my database. This helps to get more accurate open and deliverability statistics.