Here are the three most probable reasons you got a spam email from a random dating site you never visited or signed up for: Spammers bought a mailing list that contained your email address. Another company shared your data to an affiliate company. Theres been a user data leak.

Why do I keep getting Facebook dating ads?

We want the ads you see on Facebook to be as interesting and useful to you as possible. Information advertisers, their partners, and our marketing partners share with us that they already have, like your email address. Your activity on websites and apps off of Facebook.