Attempting to send an email is one of the better ways to see if it's actually valid ;) Last time I tried to order pizza online for pickup, the website required

Attempting to send an email is one of the better ways to see if it's actually valid ;) Last time I tried to order pizza online for pickup, the website required my email address (I guess cash isn't enough payment and they need an ad destination), but I physically couldn't give them my money because the site had one of those broken email regexes.