Views:
  1. Go to Administration > System Settings > Operation Mode.
  2. Click Add Rule.

    The Add SPAN/TAP Mode Rule window appears.

  3. Type the Source IP address, Destination IP address, and SMTP port to monitor.
    Note:

    If a field is empty, all SMTP traffic for that option is monitored.

    For example, when Source IP address is empty, SMTP traffic from all sources is monitored.

  4. Click Add.
Parent topic: Monitoring Rules for SPAN/TAP Mode