We’ll try to schedule this issue for development as soon as possible. Therefore, we’re currently refining the solution’s exact specifications.
@andreas-doehler, @bitwiz, @Norm: When it comes to monitoring Microsoft e-mail services, would it be sufficient to support EWS with OAuth2, or would you require OAuth2 for IMAP/SMTP, too?
The former would allow us to roll out the changes we already applied to check_mailboxes to check_mail and check_mail_loop, too.