mail login failed
I've bought a new MacBook and cannot get Mail to login to a Yahoo account. "login failed" at every attempt. Quitting Mail and restarting OSX tried without success.
I've deleted the account and adding a new one with the same result repeatedly. On each occasion an email message from Yahoo appears on the server saying "Your Yahoo account xxxxx was just used to sign in on Mac OSX". So the MacBook is communicating with the email server.
So, email server and internet connection are working fine. The issue must be with Mail.
Any suggestions?
Peter