Dell MINI 3IX - Manual (Page 112)

Using Applications
110
Delivery reports
Select this check box to request a delivery report
for each message you send.
Request read reports
Select this check box to request a read report for
each message you send.
Auto-retrieval
Select this check box to retrieve messages
automatically.
Auto-retrieval while roaming
Select this check box to retrieve messages
automatically when roaming outside of your service
area.