Disable the Send Mail item in the person name actions menu.

Checked: Removes the Send Mail item in the person name actions menu. | Unchecked: Retains the Send Mail item in the person name actions menu.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\14.0\common\personamenu
Value Namesendmail
Value TypeREG_DWORD
Enabled Value0
Disabled Value1

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Administrative Templates (Users)