After applying the latest update to the Mobility software (1.2 build 579). Users who manually poll for their mail have been reporting that all of their mail is not being delivered to their devices on the first sync. Only a few messages come in at a time and they have to hit "Update" to poll the server again to receive a few more messages and again and again until it finally catches up to the most current piece of mail.

Groupwise System: 8.0.2 Netware
DataSync version: 1.2 build 579