Bulk SMS Sender lets you type an SMS message on your Mac and send it via your iPhone - to many recipients or just to one. The Bluetooth connection is used, "Blue SMS client" for iPhone is required (available free on the App Store).
Only these new Mac computers and iPhones support Bluetooth 4.0:
"Bulk SMS Sender" does not work with any other Macs and iPhones, only with those listed above.
Sending the SMS message must be confirmed on the iPhone due to security reasons - this confirmation is a feature of the Apple developing environment, in which the "Blue SMS client" application is written. It is not possible to send a message without such a confirmation.