The following options exist:
Delete individual E-Mail messages or entire E-Mail threads. By default, the E-Mails are moved to the Trash folder.
Delete all E-Mails of an E-Mail folder. Per default, the E-Mails are moved to the trash.
Recover deleted E-Mail messages from the Trash.
Permanently delete E-Mail messages from the trash. Permanently deleted E-Mail messages are irrevocably lost.
Warning: If you enable the E-Mail settings option Permanently remove deleted E-Mails you will not be able to recover deleted E-Mail messages. It is recommended that you not use this setting.
How to delete all E-Mails of a folder:
In the folder tree, select the folder which E-Mails you want to delete.
How to recover deleted E-Mails:
Open the Trash folder in the folder tree.
Select an E-Mail in the sidebar.
Click on
in the display area. Select from the menu.Select a folder in the Move window. Click on Move.
How to permanently delete an E-Mail from the Trash folder:
Warning: Permanently deleted E-Mails can not be recovered. Before permanently deleting an E-Mail, make sure you no longer need the E-Mail.
Open the Trash folder in the folder tree.
Select an E-Mail in the sidebar.
Click on
in the display area.