Open the mailbox
Select Menu > Messaging and a mailbox.
When you open the mailbox, the device asks if you want to connect to the mailbox.
To connect to your mailbox and retrieve new e-mail headers or messages, select
Yes. When you view messages online, you are continuously connected to a remote
mailbox using a data connection.
To view previously retrieved e-mail messages offline, select No.
To create a new e-mail message, select Options > Create message > E-mail.
When you are online, to end the data connection to the remote mailbox, select
Options > Disconnect