Do not let these people get your contact details. They will constantly nag and spam you. I can't begin to describe how irritating it is when you email someone and ask them to stop emailing you, yet they continue to do so.
I had to phone up the manager (her name was Alex, she was patient and understanding) and ask for it to finally stop.
Spamming is not a good business practice. I would encourage you to shop else where.