1. The symbol indicates an Exchange Logga configuration.
2. Click on the link.

By default, all mailboxes are monitored.

1. Select a mode:

• Blacklist
  By default all mailboxes will be monitored, including those added in the future. You specify which mailboxes are excluded from monitoring.
• Whitelist
  You explicitly specify which mailboxes are monitored.
  

2. Click on the plus icon to add entries.

1. Use the search to find desired mailboxes.
2. Select the desired mailboxes.
3. Click "Add".

1. Click on the "X" to remove entries.
2. You must enter a comment.
3. Click "Apply" to save the configuration.