git-svn-id: https://svn.perl.org/qpsmtpd/trunk@786 958fd67b-6ff1-0310-b445-bb7760255be9
Patch by Hanno Hecker <hah@uu-x.de>. Adds the RFC 1893 status codes to the messages which are returned to the sending client. git-svn-id: https://svn.perl.org/qpsmtpd/branches/0.3x@602 958fd67b-6ff1-0310-b445-bb7760255be9