I’m having this problem with the K9 app, in that out of the two accounts one Gmail account works, while the other doesn’t. Both have the same settings, and the account that doesn’t work, previously worked. Today after trying to fetch new messages, I got this error:
(Command: *sensitive*; response: #3#[NO, [AUTHENIFICATIONFAILED], invalid credentials (Failure)])
I’ve tried recreating the account on K9, deleting the old app password, and typing it in again, checking that I type every letter/number correctly, but to no avail.
Is there something I’m missing?