The Zimbra Web Client can be configured to perform periodic checks for new E-mail. This option can be set as frequent as 'As new mail arrives' or set to manually check.

1. Using a web browser, navigate to and log into the desired mailbox.

2. Select the Preferences tap.

3. From within the Preferences options, select Mail.

4. Under the Displaying Messages section, choose the desired time you wish the Zimbra Web Console to check for new messages.

5. Click Save.