Kmail can put signature above reply quotes

I upgraded my OS to Kubuntu Hardy last april, and now I noticed that Kmail can put signature above reply quotes.
To do this, open Kmail/Kontact, and click:
“Setting”->”Configure Kmail”
click on “Composer” on the left menu, and you will see option “Insert signatures above quoted text”. check this option.

And you can put your signature in Kmail by [...]

Acessing Exchange 2007 using IMAP from Kmail

My company just migrate to Exchange 2007, and luckily they enable IMAP. To access it, somehow I need to specify the IP address instead of the server name. And it works! I used disconnected IMAP in Kmail. The other parameters are left as default.
For sending, I use smtp, and then in the Security Tab, set [...]