try
Private Sub Application_ItemSend(ByVal ITEM As Object, Cancel As Boolean)
If Left(ITEM.Subject, 4) = Format(Now(), "yyyymm") Or Left(ITEM.Subject, 3) = "FW:" Or Left(ITEM.Subject, 3) = "RE:" Then
Else
ITEM.Subject = Format(Now(), "yyyymmdd-") & “ME" & Replace(ITEM.Subject, " ", "_")
End If
Select Case MsgBox("Would you like to Encrypt this message?", vbYesNoCancel + vbQuestion + vbMsgBoxSetForeground, Item.Subject)
Case Is = vbYes
item.Subject = "encrypt" & olkMsg.Subject
' Case Is = vbNo
' Cancel = False not required
Case Is = vbCancel
Cancel = True
End Select
End Sub