Well with just a little bit of digging I found this site, which might help shed some light on what is going on. Not being a programmer, I really don't know what I am looking at, but someone else here might be able to do more with it.

http://www.codeproject.com/csharp/ALL_EHLLAPI.asp
http://groups.google.com/group/microsoft...ic&rnum=6&hl=en
http://www.hummingbird.com/support/nc/he/hllapi_dlls.html?cks=y