For assistance tracking down this information, you will need to contact your Internet Service Provider or Network Administrator. Mail retrieves only the new messages in your External Mail account, or all messages. By default your Inbox is selected. Choose any of your other folders by selecting one from the drop-down list. The colour you choose next to the Indicator option will be used to mark all messages retrieved from your External Mail account.
Mail account directly.
If you retrieve messages from more than one External Mail account, you can select a different colour for each of them. Click the Save button to save your new settings. This will return your browser to the main External Mail page. To retrieve your messages from an External Mail account, just click the Get Pop Mail button next to that entry. You can get to this button easily by clicking the Check External Mail link at the top and bottom of your Inbox and other folders.