with cdomail
'......
'.....
.HTMLBody = "<html>Voici mon image<br><img src='balloon.bmp'></html>"
Set objBP = .AddRelatedBodyPart("C:\mon_image.jpg","balloon.bmp", 1)
objBP.Fields.Item("urn:schemas:mailheader:Content-ID") = "<balloon.bmp>"
objBP.Fields.Update
end with