Sep 30
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MailBot has been updated to version 16.54.
Since September 20, 2024, Microsoft has almost completely disabled authentication via regular password (PLAIN method) on its IMAP, SMTP and POP3 servers, leaving only the OAuth2 option (XOAUTH2 method). As of today, only a few servers remain unpatched, and it is almost impossible to authenticate with a regular password on Outlook mail servers.
If you try to authenticate with a regular password, for example, the Outlook SMTP server will respond with this error:
535 5.7.139 Authentication unsuccessful, basic authentication is disabled.
and the Outlook IMAP server will respond with this one:
001 NO AUTHENTICATE failed.
To some extent, this also affected MailBot, since the verification of recovery emails in the program is carried out via the IMAP protocol.
In connection with this, a new setting “Authentication” appeared in the recovery email source settings window in MailBot, which is a list with two values:
- Plain password
- OAuth2
When connecting Outlook accounts as recovery emails, you now need to select only OAuth2, and the format of the recovery emails in the file should look like Read more »