Hi
Office 365 Metting Room Ressource(accepter or decline) approval not sent via Barracuda Email Securiy
also i have emailtopia response server (IMAP) all emails to my subdomain are blocked for my internal users ..*mailbox to mailbox '
this fix this i had to remove the barracuder connector and rules in office 365 for so my outbound email are not scanned by Barracuda anymore
thanks for your help !