From there you can select other months if you want to see. From the home screen, tap the application tab. How do you know if your device has advanced messaging?
What is ENT SMTP Messaging r/tmobile
Tap ok tap imap account.
Apparently, it’s enterprise smtp (“simple mail transfer protocol (smtp) is an application used by mail servers to send, receive, and relay outgoing email between senders and receivers”).
Some employees are on personal accounts.
