Tap Apps.

Tap Email.

Slide your finger right on the display.
Tap Inbox below the required email account.

Tap the refresh icon.

Tap the required email to read it.

You have a number of options when you've read the email:
Reply to email, go to 5a.
Forward email, go to 5b.
Delete email, go to 5c.

Tap the reply icon.
Write your email.

Tap the send icon.

Tap the forward icon.
Key in the first letters of the required contact.
Matching contacts are displayed.

Tap the required contact.

Tap the send icon.

Tap the delete icon.

Tap the Home key to return to the home screen.