Do you use the voting feature in Outlook 2010? Do you “Save” the item in the Application_ItemSend event? Does everything work as expected?
Private Sub Application_ItemSend(ByVal Item As Object, Cancel As Boolean)
I don’t think so. If you have not yet noticed, you loose the ability to track the voting responses that you have received. It also breaks the relationship between the Read Receipt(if you have requested one) and the sent mail message.
We now have a hotfix that addresses this issue and it can now we download from:
Description of the Outlook 2010 hotfix package (outlook-x-none)
However we have a scenario where this is still broken! If the user right clicks on a file and does a Send To – Mail Recipient and then adds the voting options, we loose the ability to track voting responses. We have identified the problem and the fix is in progress and should be out soon.
Note: If the mail item is not saved OR you do not hook into the Application_ItemSend then don’t worry, everything will work as expected.
What we found out was that the Voting Response tracking was still broken when the user Right clicks on an file on the desktop/Hard drive and select "Send To" -> Mail Recipient and then added the voting options to the message. Fortunately this issue has also been resolved in the July 11th update.
Description of the Outlook 2010 hotfix package (Outlook-x-none.msp): July 11, 2011