[] (https://travis-ci.org/PostalBear/PostalBearSMTP)
Poorly implemented SMTP server.
Inspired by SubethaSmtp, build on top of Grizzly framework ...
Due to amount of hacks and bad architecture in general, should not be ever used at all.
I warned you ! :)
If you think that it is stil make sense to take a look, well, I can't prevent you from this.