BTW, here is the relevant entry in imapd.log from using imtest:
mail imapd[24864]: badlogin: localhost.localdomain[127.0.0.1] plaintext testuser SASL(-13): authentication failure: checkpass failed Doug Confidential: This electronic message and all contents contain information from Financial Credit Services which may be privileged, confidential or otherwise protected from disclosure. The information is intended to be for the addressee only. If you are not the addressee, any disclosure, copy, distribution or use of the contents of this message is prohibited. If you have received this electronic message in error, please notify the sender and destroy the original message and all copies.
