close

Home

Exchange Server

Microsoft 365 Changelog

M365 Changelog: Exchange Data Loss Prevention – Update to sender address location

Petri Staff

|

MC306117 – Microsoft is making some changes to how sender address based conditions are evaluated by Exchange Data Loss Prevention in the Microsoft 365 compliance center.

When will this happen:

advertisment

Starting 20 January 2021, Exchange Data Loss Prevention will default to Header sender addresses for evaluating sender-based conditions.

How this will affect your organization:

Your Exchange Data Loss Prevention rules will now evaluate the sender using the mail header sender address as default instead of the envelope sender address. Note that Exchange transport rules already default to sender address present in mail header.

What you need to do to prepare:

advertisment

When this change takes effect, your default sender address evaluation will automatically be updated to use sender address from mail header.

If you want to continue using current sender address evaluation based on envelope, you will have the option to change your tenant level DLP policy configuration to evaluate sender based on Header / Envelope / Header Or Envelope.

Also, you will be able to configure DLP rule level behavior using the SenderAddressLocation parameter.

Please click Additional Information to learn more.Additional information

advertisment

Log in to save content to your profile.

Username/Email

Password

Login

Article saved!

Access saved content from your profile page. View Saved