Some other day, after seeing Keypic, I've also found scr.im
scr.im is a service to protect e-mails beyond a captcha so that people can share e-mails on Twitter and avoid spammers.
So, not only the e-mail is not protected, spammers can also download their entire database.
My bad, for not reading their FAQ first.
Admin knows it's flawed, however, this is to keep a minimal security and to keep it simple for users.
This is what happens when you're online late at night instead of sleeping.
We can't always win, right?!