The following options exist:
setting up an external E-Mail account
editing an external E-Mail account
deleting an external E-Mail account
How to set up an external E-Mail account:
Click on in the sidebar.
Click on in the display area. Select from the menu.
In the Add mail account window enter the E-Mail address used for the external E-Mail account. Enter the password for the external E-Mail account. Click on .
After a short while you will be informed that the external E-Mail account has been set up. Click on .