Forum Discussion
No subject warning, but there is a subject
Hi everyone, For some weeks our user are reporting that Outlook gives a notification for 'no subject' when they send a mail. That is strange, because there is a subject in the mail. In some way, O...
Disable subject warning rules, check if the email header contains hidden characters, and press Ctrl+F3 to view.
Hello CuriLab​
Thanks for your reply. Disabling the waring rules is not the solution, because the message is sent without subject. I see this in the Exchange Online logs; there the subject is empty.
Kind regards,
Arjan
