did you try restarting outlook or rebooting the computer? This should
always be your first step when something suddenly stops working, before
tinkering with settings.

--
Diane Poremsky [MVP - Outlook]
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Outlook & Exchange Solutions Center: http://www.slipstick.com

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"Mackenzie-Robb" wrote in message
...
Send test e-mail message: An unknown error occurred, error code:
0x80070005.
I get this error message when I attempt to send emails. The system was
working earlier, but suddenly stopped. I also cannot set a signature for
emails, the buttons simply don't work.