Once someone has signed up for a spamgourmet account,
they can then send emails from disposable accounts.
While the 'captcha' thing makes sure a human has signed up
for an account, once they are signed up, a script could be
used to input email addresses from a bulk list, to go into the
'send from a disposable account' form and the dynamically
generated addresses gathered.
The net result could be a spammer using spamgourmet as a gateway.
Some ways of preventing such abuse are in order.
Are there currently any limits per unit time, of messages sent
from disposable email addresses? If not, instituting such limits
may help prevent abuse.