Spam Arrest blocks out spam by requesting any unknown email senders enter letters displayed in a picture – a currently impossible task for automated spammers.
This is how it works:
Bill only has to do this once to verify he is a person.
The best part of Spam Arrest is that you stop getting spam. Brilliant. The downside is that you will have to inconvenience your friends and family. You also run the risk of missing an email from those friends who are confused, don’t care or can’t read.