LOL. Just looking at the 404 errors (looking for broken links on JGF) and I saw the following. You may wish to run these against your own server and just check which of them you have, because if our weblogs are anything to go by then this lot are under constant daily attack:
/form-bin/deliver
/cgi-bin/cgiemail/contact.txt
/cgi-bin/formmail.cgi
/cgi-bin/fmail.pl
/mail.cgi
/cgi/formmail
/cgi-bin/contact.pl
/cgi-bin/feedback.cgi
/cgi-bin/form-mail.cgi
/cgi-bin/tellafriend.cgi
/cgi/contact.cgi
/cgi-bin/mail.cgi
/formmail.pl
/cgi-bin/form.pl
/cgi-bin/FormMail.pl
/cgi-bin/FormMail.cgi
/cgi-bin/contact.cgi
/email.cgi
/cgi-bin/formmail/FormMail.pl
/cgi-bin/BFormMail.pl
/cgi-bin/formtomail.pl
/cgi-bin/tell/tell.cgi
/cgi-bin/refer.cgi
/dp_tellafriend/scripts/tellafriend.cgi
/cgi-bin/form.cgi
/cgi-bin/mailer/mailer.cgi
/cgi-bin/sendmail.pl
/cgi-bin/af.cgi
/cgi-bin/mailer.pl
/cgi-bin/email.pl
/cgibin/FormMail.cgi
/cgi-bin/friends.cgi
/cgi-bin/asomail.cgi
/formmail.cgi
/cgi-bin/cgiemail/mailtemp.txt
http://grexengine.com/cgi-bin/mailform.cgi
/cgi-bin/email.cgi
/cgi-bin/ezformml.cgi
/cgi-bin/formmail
/cgi-bin/contax.cgi
/cgi-bin/webmailer.exe
/cgi-bin/cgiemail/feedback.txt
/cgi-bin/mailer.cgi
/cgi/formmail.pl
/cgi-bin/formmail.pl
/cgi-bin/cgiemail
/cgi-bin/cgiemail/mail.txt
/cgi-bin/mailto.pl
/cgi/tell/tell.cgi
/cgi-bin/mailto
/cgi-bin/formmail2.pl
/cgi-bin/feedback.pl
/cgi-bin/contactus.pl
/cgi-bin/referral.cgi
/cgi-local/contact.cgi
/cgi-bin/yform.cgi
/formmail/formmail.cgi
/cgi-bin/anymail.cgi
/cgi-bin/mail.pl
/cgi-bin/referralhub.cgi
/cgi-bin/npl_mailer.cgi
/cgi-bin/chfeedback.pl
/cgi/FormMail.pl
/cgi-bin/contact
/contact.cgi
/cgi-bin/af.pl
/FormMail.pl
/cgi-bin/mailto.cgi
/cgi-bin/sender.pl
/cgi-bin/sendmail.cgi
/cgi-bin/formmail/formmail.pl