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.

Is there any way to stop spam emails?

Block an email addressOn your Android phone or tablet, open the Gmail app .Open the message.In the top right of the message, tap More .Tap Block [sender].