Office 365 IP addresses
Office 365-relevant IP addresses
All IP addresses relevant for Office 365 integration in NoSpamProxy can be found at https://docs.microsoft.com/de-de/microsoft-365/enterprise/urls-and-ip-address-ranges?redirectSourcePath=%252fde-de%252farticle%252fURLs-und-IP-Adressbereiche-von-Office-365-8548a211-3fe7-47cb-abb1-355ea5aa88a2&view=o365-worldwide.