Imap authentication failure?
All of a sudden android phone was unable to get new messages from yahoo account. Tried to delete and re-setup acct on phone. Auto setup resulted in error saying can't authenticate. With manual setup, IMAP won't authenticate and can't read messages. Can still send message from phone from SMTP server. Able to login over m.yahoo.com and full browser site, just not android or ipad mail clients. Tried changing passwords and deleting android and iphone device profiles in yahoo acct via browser. Any ideas how to get IMAP server to authenticate?
Having exactly the same problem with my Android device and Thunderbird, reporting authentication fail.
I found SMTP server is working fine too, so I can send emails.
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