Dumbster fake SMTP Server Forked from http://quintanasoft.com/dumbster/ version 1.6 by Jason Kitchen * Works as a single-threaded unit testing SMTP target * Works as a multi-threaded unit testing SMTP target * API change- returns an Array of messages rather than an Iterator * API change- RollingMailStore implements MailStore keeps rolling 100 msgs. * API change- EMLMailStore persists mail to files