Facebook just removed everyone's email address from their profile and replaced it with an @facebook.com email address without asking you.
If you are trying to create visibility and an identity for your website by using your website email address, this sneaky move by Facebook defeats your purpose.
Fixing this is easy...but only if you know how. I must have stared at the pop-up window for 10 minutes before I gave up....and looked for instructions online.
2. Click on the "Update Info" button.
3. SCROLL DOWN the page to the "Contact Info".
5. Click on the circle next to your Facebook email address and change its setting to "Hidden from Timeline".