Yes, to register I had to provide a different valid email address. I was able to change my profile to a gmail address later and they do send email to the gmail account. Also, if you have 2 petro phones, you must provide a unique email address for each phone number.
This site is run by a 7-Eleven Speak Out Wireless customer. I am not a 7-Eleven employee, nor do I receive any compensation from them for providing this site. The goal is simply to share consumer information with others.