What version of Outlook do you have? Are you deleting the messages by
emptying your Deleted Items with the messages in question unread? If so,
and if you have Outlook 2002, there is a bug (to be fixed in SP-3) that the
receipts are sent for any unread messages when you empty Deleted Items,
regardless of your setting. A workaround until SP-3 ships is to go to
deleted items, select all the messages (Ctrl-A), mark them as read (Ctrl-Q),
then empty Deleted Items. A read-receipt won't be sent in that case.

Signature
Jeff Stephenson
Outlook Development
This posting is provided "AS IS" with no warranties, and confers no rights
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[quoted text clipped - 97 lines]
>
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Spike \ - 28 Feb 2004 13:21 GMT
> What version of Outlook do you have? Are you deleting the messages by
> emptying your Deleted Items with the messages in question unread? If so,
[quoted text clipped - 3 lines]
> deleted items, select all the messages (Ctrl-A), mark them as read (Ctrl-Q),
> then empty Deleted Items. A read-receipt won't be sent in that case.
I am using Outlook 2002. Thank you much for the info!