I’ve been a member of the Microsoft Spam Fighters Program (MSFP) for so long that I can’t actually remember when I joined. Not everyone realizes that the program (still) exists or even knows what it is. Designed as a crowdsourced second check, this program helps verify the accuracy of spam filters to ensure they’re getting it right.

But what is the program?

The MSFP is an initiative by Outlook designed to improve spam classification and enhance the email experience for users. By leveraging community input, Microsoft aims to refine its spam filters and reduce the amount of unwanted content that lands in your inbox.

Participation in the program is by invitation only, and it’s unclear it they are still accepting new members. Opting in as an MSFP participant means you’ll occasionally receive a sample email marked for review. These emails are accompanied by a simple question: “Is this spam or not?” After you vote, your answer is compared against those of other participants in the Spam Fighters program. This comparison helps Microsoft improve its junk mail filters.

You’ll only receive messages from your own email, ensuring you never see anyone else’s messages. If you select the message as junk or not junk, Microsoft may review the contents of that message to further enhance their filtering capabilities.

The program provides data to train Outlook’s spam filters, ensuring they can effectively identify and block spam. This collaborative effort between users and Microsoft exemplifies the importance of community-driven solutions in combating the ever-evolving tactics of spammers.

For more details about the Microsoft Spam Fighters Program, visit their official support page: Microsoft Support.