Setup
USB Device Update
44 Cisco RV320/RV325  Administration Guide
3
STEP  6 Click SPF Settings to add SPF text. SPF (Sender Policy Framework) is an email 
validation system that prevents email spam by detecting email spoofing (a 
common vulnerability) by verifying sender IP addresses. (Configuring this field is 
not required. More information can be found at 
http://www.openspf.org/Tools#wizard?mydomain=&x=35&y=6.)
STEP  7 Enter the Mail Server parameters:
• Host Name—Name (without the domain name) of mail host.
• Weight—Order of the mail hosts. The lower number has the highest priority.
• Mail Server—Name of the server that is saved in the A Record or the name 
of an external mail server.
STEP  8 Click Save.
USB Device Update
USB device firmware can be updated by using this network device.
To upgrade a USB device attached to a USB port, browse the file to be uploaded 
from a PC to the USB device and click Upgrade.