Same behavior here. Sent 4 test mails, 2 from and 2 to an O365 enterprise account. Both directions containing a different URL were delivered. Both directions co

Same behavior here. Sent 4 test mails, 2 from and 2 to an O365 enterprise account. Both directions containing a different URL were delivered. Both directions containing the URL of this article were not delivered (though the from O365 did get put into sent items folder).