From Pocket Presence:
The SMS Manager is a SMS client for Pocket PC 2002 devices. This software builds upon a GSM/Bluetooth equipped Pocket PC 2002 device working together with a mobile phone handset. The SMS Manager offers easy to use interfaces for composing and managing, sent and received SMS messages. You are able to send the same message to multiple recipients by selecting more then one contact in the To: field. Unsent SMS messages are stored in the Outbox, sent and received messages are stored in a received and sent box.
Version 2.0 comes with improved SMS management possibilities along with a range of new features.