Choosing a default email account for my mobile phone
If you've set up more than one email account on your mobile phone, you need to select a default email account. When you write email, they'll automatically be sent from your default email account.
1. Find "Accounts"
Slide your finger downwards starting from the top edge of the display.
2. Select default email account
Tap Set Defaults.
Tap Email Address.
Tap the required email account.
3. Return to the home screen
Slide your finger upwards starting from the bottom edge of the display to return to the home screen.