Office 365 XOAUTH2 for IMAP and SMTP Authentication fails

Question

Recently the support for OAuth 2.0 for IMAP and SMTP in the Exchange Online has been announced. Following the guide I\'ve set up the application permissions and IMAP and SMT

Answer 1

javax.mail example sending email using XOAUTH and O365 SMTP

I only ask those scopes needed for sending email... (not using Graph). Probably I have configured some permissions not needed.