Note: Available only in Zimbra accounts.
You can identify an email address to forward your messages to and choose to retain the message in your mailbox or automatically delete the message when forwarded.
To forward your email
1. Use the Preferences > Mail page. Scroll down to the Receiving Messages section.
2. Type a complete forwarding address in the When a message arrives: Forward a copy to field.
3. If you want to automatically delete the email from your account, enable Don’t keep a local copy of messages.
4. Click Save.