You might want to note that Microsoft has caught wind of this workaround and is implementing stop to it. This might obsolete any code written using the method and will be very bad for already deployed applications. (Embarrassing is good term to use)

According to Microsoft, Outlook 2000 already implements it.
"
SendKeys
Outlook does not allow access to certain dialog boxes by using the Visual Basic or Visual Basic for Applications SendKeys command. This prevents malicious programs from automatically dismissing the warning messages and circumventing the new security features.
"

Just a heads up.