2.24.1.8. Configuring incoming mail processing for non-existent addresses

To configure how incoming mail sent to nonexistent domain mailboxes is handled, do the following:

1. Open the section "Mailboxes».
2. Click "Mail settings»:
3. Select the processing method and click "Save settings»:
   • Or return messages to the sender with the “user unknown” error and delete them (default action).
   • Or, specify an existing domain mailbox that will accept all emails sent to nonexistent addresses in the same domain.