Here you can optionally define a sender address for display to the recipient instead of the automatically generated address.
Note: If there is an interface called "DMZ", its address will be taken if you have selected "DMZ".
    - SNMP ID:
 - 2.39.3.9
 - Console path:
 - Setup > Certificates > CRLs
 - Possible values:
 - Name of the IP network whose address should be used.
 - "INT" for the address of the first intranet.
 - "DMZ" for the address of the first DMZ.
 - LBO…LBF for the 16 loopback addresses.
 - Any IP address in the form x.x.x.x.