wrong error message

When I try to post a message, I get:
An error occurred while sending your post We're sorry, but there was a problem with the system and your post was not received. The error has been reported to Operations and will be investigated as soon as possible. Please try again later.
However the message gets posted anyway.
What should I change in my settings?
Thanks in advance, Gerhard

If you're talking about Windows Mail - this is a known bug and will be fixed post-beta 2.
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--: Original message follows :-- "Gerhard" wrote in message

When I try to post a message, I get:
An error occurred while sending your post We're sorry, but there was a problem with the system and your post was not received. The error has been reported to Operations and will be investigated as soon as possible. Please try again later.
However the message gets posted anyway.
What should I change in my settings?
Thanks in advance, Gerhard