Exchange Online Protection will now evaluate both the P1 and P2 headers in a message against an end users safe and blocked senders list. I know, I’m super excited too! Previously only the P1 header of a message was compared to these lists. Not only...

If you have an on-premises mail environment that you are protecting with Exchange Online Protection (EOP) then you’ll need to create some connectors in the cloud. This article is going to focus on EOP Outbound Connectors and how they deliver mail...

Update (September 3, 2014) I was recently involved in a case where a customer needed more information about the certificate that EOP presents. Being the nice guy that I am, I wanted to share it here! As mentioned in this article, the CN of the certificate...

I’m often asked how to prevent an End user Spam Notification (abbreviated as ESN from this point on) from being sent to a distribution list (abbreviated as DL from this point on). Before getting to the answer, let’s start off with some background...

The EOP online quarantine is a wonderful feature that can be easily managed through the Office 365 Portal. However, if you are looking for more functionality and flexibility with quarantine management, you’ll need to turn to PowerShell. Before...