Don’t forget about the security and compliance center

For those of you that are Exchange Online Protection veterans, it may be second nature to always head to the Exchange Online portal whenever you need to make any changes to that service. You may not even think of making those changes in the Security and Compliance Center. I’d like to throw out this quick…

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An Introduction to the new Spam Filter Allow and Block Lists

Rather than start this article with an appetizer, I’m going to switch things up and dive right into the meat and potatoes. Very soon, if not already, you will see two new entries in your Spam Filter in Exchange Online Protection, Allow Lists & Block Lists. As suggested by the name, this is a new…

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Tips to prevent Zero-Day Malware with EOP

I have recently seen a lot of zero-day malware attacks and interestingly, these attacks aren’t even trying to be covert. In these cases, the malware is attached to an email in the form of an executable file and the recipient is asked to run the attachment. Being in the technology works, people like you and…

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Exchange Online Advanced Threat Protection – now available

Just a quick note in what will probably be my shortest blog post ever. Advanced threat Protection, a new filtering service that complements Exchange Online Protection, is now available for purchase. This service adds new features to EOP to help detect and defend against advanced types of threats. More information about this new service can…

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An Early Gift, EOP Bulk Mail Detection – The Easy Way

This past summer we added new bulk detection capabilities to Exchange Online Protection. At the time, if you wanted to take advantage of these new capabilities you had to add an EOP transport rule to detect the BCL (bulk complain level) that EOP stamped on incoming messages. This new capability worked wonderfully, but the problem…

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Advanced Spam Filtering and X-CustomSpam

When a legitimate message is marked as spam, the first question usually asked is “why?” It can sometimes, but not always, be quite difficult to find the explanation. If an enabled Advanced Spam Filter (ASF) option has caused the spam detection, this will be called out directly in the header. In these cases, finding the…

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