>Thank you.
>
>Is this class functionning under outlook express ?

Since OE is MAPI complaint, I'd assume so.

>And is there somewhere a sample of how using this class ?

I believe there are samples in the documentation. A know a number of people here speaking highly of it and have used it. I haven't used it because I deal with Outlook (Office version which is a OLE Automation server) and/or Lotus Notes.