[imp] using IMP to handle horde authentication

[Chuck Hagenbuch]

Quoting Liam Hoekenga <liamr at umich.edu>:

> I've have a authentication mechanism based on "auto" that works fine w/o
> setting this preference tho.  Why?

By "works fine" you mean "is a little buggy/inconsistent". Probably because
transparent authentication is transparent, so Horde doesn't behave like 
it does
for a regular login.

-chuck

-- 
"But she goes not abroad in search of monsters to destroy." - John 
Quincy Adams