+1 vote

I am trying to connect office365 account and it is giving this error "-ERR Logon failure: unknown user name or bad password." although user name and password both are correct.

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1 Answer

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For Office 365 you should use OAuth 2.0 flows, as Microsoft disabled basic authentication for company accounts:
https://www.limilabs.com/blog/office-365-basic-auth-is-disabled

Microsoft does not allow app-passwords for company accounts.
For other accounts (@hotmail.com) app-passwords still work:
https://www.limilabs.com/blog/office365-app-passwords

Also make sure IMAP/POP3 are enabled (this is very important):
https://www.limilabs.com/blog/office365-enable-imap-pop3-smtp

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