Configuring incoming mail processing for non-existent addresses

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