Yao Ziyuan wrote:
>
> Showing a message's spam status to the sender can be bad, if he is
> really a spammer. So the page can also return:
> * SPAM STATUS HIDDEN. (A CAPTCHA is also presented below.)
> This means the sender can solve the CAPTCHA to see the status and
> change it to NOT SPAM.
>
So does that mean that you will send a captcha to every user sending a
mail? And for each mail sent, you will have to fill the captcha?