Step 1: Change your GoogleApps Settings
First, make sure your Google Apps account is configured to enabled IMAP and POP access. Also, make sure your know your BuinMail Google Apps Password.
Setup your account for IMAP/POP access by doing the following:
2. Go to Settings ->Forwarding and POP/IMAP
3. For POP Download make sure that POP is Enabled
4. For IMAP Access make sure that IMAP is also Enabled
Step 2: Configure Your Mobile Device
Choose the type device below to get instructions for configuring your mobile device: