A e-mail cracker? LOL u serious?
the way ur detailing this retartded program is basically just a brute forcing tool.
brute forcing is super old and hardly even works now days
best way and fastest way i can think of is just sending him a keylogger / R.A.T either one works
but to me its as if ur advertising this site so i took the link shabbir can add it back its up to his discreation