Firstly check to see if there are any errors.

• Options
• Security
• Firewall
• Take a look at the bottom for errors.

If needed remove the services books.

• Options
• Device
• Advanced System Settings
• Service Book
• Delete (Desktop [CMIME])

Resend the services books.

• Log onto the Blackberry web console.
• Find user.
• Resend Service Books To A Device

Remove the battery and sim card for 30 seconds. Replace them both, check the service books are back and then test by sending and receiving e-mails.