[tschaikowsky]

Searching for a working smtp cracker language is wayne (python/PHP/exe)

greetings, i pay with some szene stuff and last wirt coins

[dreadpixel]

You can attempt to
try sending a message and catch error, if you dont catch error then the password was correct..
Iterate lists of password if you already know the login which typically is name@domain.com

[Tracefl0w]

There you go, I don't think you can get any better than that for now.