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 Powerball S.
In order to complete your registration, please click on the following link (or copy-paste it into your browser): https://powerballs.com/scoreboards/register/verify/071ad8001d8360553419fed873ab91d934137cde3f79cb641d42ba97a9e9ae9b/@
If you are unable to activate your account, please send an email to info [at] powerballs [dot] com. We should reply within 24 hours.
Once you activate your account, you should receive a confirmation email within 10 minutes (usually instantaneously) which verifies your successful registration with RPM Sports.