M macmgsbgd macrumors newbie Original poster Jul 10, 2016 1 0 Jul 10, 2016 #1 After update macos sierra 16A238m , all email account in mail client (pop3 and imap ) turn offline, and after refresh, error Unable to verify account name or password ? Hm, Why?
After update macos sierra 16A238m , all email account in mail client (pop3 and imap ) turn offline, and after refresh, error Unable to verify account name or password ? Hm, Why?