Customizing your Messaging settings
1.Press Messaging 
.
2.From the Inbox, open the menus 
.
3.Select Options, and then select Preferences.
4.Select the Messages tab and select any of the following preferences:
•Create new messages as: Indicate whether you want to default to text or multimedia messages when you create a new message.
•Always request delivery receipts: Indicate if you
want to receive a confirmation when an outgoing MMS message is received.
•Always request read receipts: Indicate if you want to receive a confirmation when a message is read.
•Confirm message deletions: Indicate if you want deletion confirmation messages to appear.
•Privacy Mode (hide text): Indicate if you want the body text to appear in the alert when you receive a new message.
•Message validity period: Set how long you want Cingular Wireless to attempt to deliver your outgoing messages. If a message can’t be delivered within the specified period of time, the message is discarded. This setting doesn’t affect your incoming messages.
5.Select the Chat tap and select any of the following preferences for chat sessions.
•Thread messages from one person: Indicate when you want to group messages from the same person.
•Show timestamps in chats: Indicate if you want to see the local date and time the message was sent next to each message.