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 blazingsupport.
If you believe you have received this message in error, you do not need to take any action to cancel the account. The account will not be activated, and you will not receive any further messages from us.