And there is the essence of the need for captchas ;)
You need to scale, so you employ computers instead of people. Now you have to have computers run a reverse turing test. Otherwise, it's much easier for spammers to scale as well.
It's easy to cut down on spam if you don't accept any incoming mail.
You need to scale, so you employ computers instead of people. Now you have to have computers run a reverse turing test. Otherwise, it's much easier for spammers to scale as well.
It's easy to cut down on spam if you don't accept any incoming mail.