If you are having problems with the following error

Task "your ISP" - Sending' reported error (0x80040201) : 'Unknown Error
0x80040201'

here is the answer.I kept getting the above error and despite lots of
searching on micrsoft could not find the answer.The crux of the problem
is a read reciept that needs to be deleted.

This lady below knows what she is talking about. This was exactly the
problem. I accidentially triggered a read receipt when I imported some old
mail from my previous PC. This caused the error to occur because the address
was not in my new PC. Follow her lead to outlook tips and download outlookspy.
After a day of frustration the problem was fixed in 5 mins.
You will need to download a free piece of software called outlookspy.


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kenwortn