How to Block an IP in Office 365
Steps to Block an IP address in Office 365 Open Protection -> Connection filter -> Default -> Connection filtering ->Add the IP address under IP Block list -> Ok ->Save
Steps to Block an IP address in Office 365 Open Protection -> Connection filter -> Default -> Connection filtering ->Add the IP address under IP Block list -> Ok ->Save
Steps to Block list a Domain in Office 365 Open Protection -> Spam filter -> Default -> Block lists ->Add the sender domain under Domain block list -> Ok ->Save
Steps to Block list a sender email address in Office 365 Open Protection -> Spam filter -> Default -> Block lists ->Add the sender email address under Sender block list -> Ok ->Save