Email settings

Open the Email app, tap the Menu icon (at the upper-right corner of the screen), then tap Settings.

General settings

Set default account: Tap to select which email account to designate as your default account.
Select download storage: Tap to set the download storage location to Internal storage or SD card.
Email preview: Tap to set how many lines of email text to download on your phone as a preview.
Conversation view: Checkmark to view email messages sent or received with the same subject in one thread
Split view: Checkmark to display your email list on the left and an open email message on the right when the phone is held in landscape orientation.
Load linked images: Tap to select when you want to load linked images.
Ask before deleting: Checkmark if you want to be asked before deleting email.
Auto-advance: Tap to select which screen to display after deleting or moving emails.
Resize image: Tap to select the default size for an image attached while composing.
VIP settings: Tap to set Notifications, Sound, Vibrate for VIP lists.
Trusted certificates: Tap to view the list of trusted certificates that you added.

Tap an account to access settings specific to that email account including:

DISPLAY NAMES

Account name: Tap to change the name to easily identify the account.
Your name: Tap to change your name displayed with your sent email.
Use signature: Checkmark to send a signature with your email from this account.
Signature: Tap to change the signature sent with your your email from this account.

SYNC, SEND & RECEIVE

Update schedule: Tap to choose the schedule for updating email.
Folders to sync (for Exchange accounts): Tap to select which folders you want to sync.
Days to sync email: Tap to select how many days you want to sync email for.
Message format (for Exchange accounts): Tap to set the format you want to receive email in.
Message size limit: Tap limit to set the maximum message size your phone will receive and display automatically. To view a received message that exceeds the limit you set, tap Load full message at the bottom of the Inbox screen.
Delete from server: Tap to set when to delete files from the server.
Accounts: Tap to access your accounts and sync information.
Calendar events to sync (for Exchange accounts): Tap to select how long you want to sync your Exchange Calendar events.
Always Cc/Bcc me: Tap to automatically insert your mail address in the Cc field or the Bcc field (or select Off) when you compose an email.
Out of office settings (for Exchange accounts): Tap to configure your out of office message.
Security settings: Tap to set digital signatures and encryption to secure email.
Corporate directory (for Exchange accounts): Tap to search for recipients using the Exchange account's online directory.
Server policy (for Exchange accounts): Tap to view the current server policy

Notifications: Checkmark to display new email notifications.
Notifications sound: Tap to set the sound when you receive a new email notification.
Vibrate: Tap to set when the phone will vibrate for a new email notification.

Exchange server settings (for Exchange accounts) Tap to manually change your Exchange server settings.
Incoming server settings: Tap to view and/or modify your incoming server settings.
Outgoing server settings: Tap to view and/or modify your outgoing server settings.