Mac mail cannot connect to online server
Mac mail cannot connect to Verzion online
MacBook Pro, OS X Mavericks (10.9.5)
Mac mail cannot connect to Verzion online
MacBook Pro, OS X Mavericks (10.9.5)
What does Mail/Window/Connection Doctor Show? If the server is red, select it and look at the Show Details box.
Troubleshooting sending and receiving email messages
Mac mail cannot connect to online server