>Superb! Thanks once again Viv. What is interesting is that all the email is now being sent, but the code never hits the SendCompletedCallback.
>
>Oh, it also does not seem to be running asynchronously as I don't get control back in the UI for quite a while.
>
>One of these days I'll understand C# :(

Viv,

I commented out the wiatHandle.WaitOne(); and then my code stopped hanging. Do I need that line of code in there? Is it just in the wrong place?