'Authentication failed' and 'imap.gmail.com is not responding' error on iPhone
Mail server “imap.Gmail.com is not responding
[Re-Titled by Moderator]
Mail server “imap.Gmail.com is not responding
[Re-Titled by Moderator]
Remove the Gmail account, and re-add it.
If that fails, contact Google Support.
'Authentication failed' and 'imap.gmail.com is not responding' error on iPhone