NukeCops - [Bug Fix]CheckEmail Function for New User Registrations

If you have a web server where you have catch-all emails setup, You may find this modification (bug fix) useful.

What this fix does it adds a check email address function to the New User Registration of your PhpNuke website.

Examples of the problems:

- User registers with an invalid email address such as www.user@domain.com, user@www.domain.com, user@(your nuke site.com)
phpNuke will let the user that his/her registration is completed and to look for a confirmation email coming to them soon. Meanwhile, your mail system to return an invalid email to your catch-all account and the user will be wondering where thier confirmation email is.

Apply this fix and the user is returned a specific error message based on thier invalid formatted email address.