To configure the Verizon email account on your iPhone device, first, tap on the 'Settings' application and go to 'Mail,' then 'Mail, Contacts, and Calendar' section. Now, tap on 'Account' and 'Add Account.' Now, tap on the 'Other' and enter the details of your Verizon email account like name, email, password, and description and tap 'Next.' Now, choose between IMAP and POP, and enter the incoming mail server and outgoing mail server to set up Verizon email on iPhone. Further, set the SMTP server settings. Now, you will see green checkmarks everywhere. Again open the mail app and see that the verizon.net email setup is complete.
See also - Verizon Email not Syncing