Read Receipts are not processed or only very slow. How to trigger processing manually?

I have sent an e-mail to a large receipient list.  Most is inhouse. The receipients use Outlook 2003, too.

I requested read receipts which I am getting in actually. I have set that the processed receipts are being moved to deleted.

Those read receipts seem to be processed very slow and for some I have the feeling they are not processed at all. They just keep hanging in the inbox.

Can I trigger the processing of the read receipts manually? I would like to be able very fast to tell who has read the e-mail. I am aware that some may decline to sent the receipt but most actually do send a receipt.

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David LeeCommented:
Hi, HolliStt.

Receipt processing is a background task that Outlook performs when it isn't "busy".  Busy isn't well defined, but generally means "when you aren't actively doing anything in Outlook".  You can manually process receipts by opening and closing them.  

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