aarongough/mini-smtp-server — pull request #5 by hron84 (2013-01-12 22:58:18+00:00)
Title: Replacing SMTP codes to fit RFC 2821

It fixes errors with clients what checks strictly the response codes, like MSMTP (sendmail alternative)

I added hostname to HELO/EHLO response, because it is a requirement in the mentioned RFC too.