This can result in loss of data. Then locate the menu bar at the top and click on 'Edit', then click on 'Preferences'. The Preferences screen should appear. Screen looks slightly different from the PC screen, but NO changes are needed to the default screen. Screen looks slightly different from the PC screen, but NO changes are needed to the default screen.
Screen looks very similar to the PC screen.
Once you select 'IMAP' from the drop down menu it will change the POP tab to IMAP and add an advanced tab. Leave the 'Remember password' field and 'Check for new mail every so many minutes' field blank . Screen looks very similar to the PC screen. By following this example you can delete and expunge your GEM mail ONLY from the web interface. Screen looks very similar to the PC screen.