Solve : From Option in Outlook 2010?

1.	Solve : From Option in Outlook 2010?
Answer» I am running Outlook 2010 on a WINDOWS 7 machine. Our email is provided with an Exchange Server running Exchange 2003. Our department has been testing Outlook 2010 before we ROLL it our to the rest of the company and have noticed something we would like to have disabled before doing so. In Outlook 2010, when you CREATE a NEW email there is a FROM button right above the TO button. When I click on this button I am able to put in the email address of anyone else at the company and send it as though I were them (email addresses from an external source will not send). I do not have delegate permissions for anyone else and there is no way that I can tell to determine who it is actually from on the recipients side. Obviously this could be problematic if it were abused and so we would like to disable it. Does anyone have any advice?

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