In http://docs.python.org/py3k/library/smtpd.html the received_lines attribute of the SMTPChannel object uses "rn" for "\r\n" and "n" for "\n". Probably just a stropping error. regards Steve -- Steve Holden steve@holdenweb.com, Holden Web, LLC http://holdenweb.com/ Python classes (and much more) through the web http://oreillyschool.com/ Conferences and technical event management at http://theopenbastion.com/ Next: DjangoCon US Sep 6-8, Washington DC http://djangocon.us/