Jonathan- If I remember correctly (and I'm not entirely sure I do, not being able to find the proper RFC at the moment) the authentication mechanism will fall back from MD5-CRAM to plaintext if both sides don't explicitly say they support it and try to enforce its use.
-Mark Wieder Using The Bat! v1.61 on Windows 2000 5.0 Build 2195 Service Pack 2 -- ________________________________________________ Current version is 1.61 | "Using TBUDL" information: http://www.silverstones.com/thebat/TBUDLInfo.html