You may not have realized it, but you have a Facebook email. The social network launched an email in 2010, something that was touted as the next Gmail but didn't really land.

Since Facebook email, which is your account url @Facebook.com, didn't find success, Facebook is adding a function to forward Facebook emails to your real email address, Forbes reported.

Email addresses can easily be figured out since they come from the part that comes after your profile url. Working with a profile that has www.facebook.com/firstname.lastname, it's simple to send an email to firstname.lastname@facebook.com.

The company began alerting users this week, according to Forbes. The move is similar to the recent Google+ change that lets people email those in their Plus circles.

Both changes have met with concerns about privacy, since the open email system could allow for unwanted messages or spam. Google+ users can opt out in their settings, and Facebook will set up a similar capability.

"Once the changes roll out in early/mid-March, there will be a new setting [to turn off forwarding]," a Facebook spokesperson told Forbes.

"Under General Account Settings -> Email -> there will be a checkbox that gives you the option to stop using your Facebook email address. By unchecking the box, you will stop receiving messages to your @facebook.com address and forwarding will be disabled."

The email privacy setting will be installed in March.

The change also follows Facebook's recent acquisition of WhatsApp. Forbes theorized that getting rid of the @Facebook addresses could be a precursor to integrating the message service into Facebook's system.

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