This site did not show evidence of storing passwords in plaintext.
This site does allow secured connections (https)
This site did show a clear way to unsubscribe from their emails
This site does verify your email address.
Below is a sample of the emails you can expect to receive when signed up to Meet and Fuck Games.
Thank you for registering at MNF Games. Please be advised that our games are solely intended for adults and you must be 18 or older to play them. In order to verify this email address and activate your account, please click the following link:
Activate account on MNF Games We wish you to have fun playing our games. We are always working on make them better by adding new characters, positions, mini-games, etc. If you did not make the registration request, just ignore this email. The accounts which have not been activated within 24 hours will be deleted automatically. Please feel free to contact me at email@example.com, if you require any further information.