I was getting this same message and I have seen the topic:
http://forums.asp.net/thread/1354838.aspx
which I did.
Now when I try to run the control asp:PasswordRecovery, I get a message saying
"Your password has been sent to you"
and it would appear that everything worked successfully.
But the email never gets to the sent to the sending email box.
And there are no messsages in my C:\Inetpub\mailroot\Queue folder nor any of the other mailroot folders.
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