User`s manual
Example SMTP virus protection settings
• Click OK and click Apply.
• Go to Anti-Virus > HTTP > Outgoing and repeat steps Click Medium to virus scan target files in email
attachments in SMTP traffic. to Click OK and click Apply. to configure medium level virus protection to
virus scan target files downloaded from Internet web pages.
• Go to Anti-Virus > POP3 > Outgoing and repeat steps Click Medium to virus scan target files in email
attachments in SMTP traffic. to Click OK and click Apply. to configure medium level virus protection to
virus scan target files in email attachments in POP3 traffic.
• Go to Anti-Virus > IMAP > Outgoing and repeat steps Click Medium to virus scan target files in email
attachments in SMTP traffic. to Click OK and click Apply. to configure medium level virus protection to
virus scan target files in email attachments in IMAP traffic.
When the DFL-500 detects a virus and removes the infected file, the user who requested the file receives a
message similar to the following:
Sorry, Dangerous Attachment has been removed.
It was infected with the "Generic VBA Virus" virus
Low level virus protection for your internal network
Low level protection suspends virus protection. All target files are forwarded unchanged to their destinations.
To configure low level protection:
• Go to Anti-Virus > HTTP > Outgoing.
• Click Low to turn off virus scanning for Internet web pages.
• Click Apply.
• Go to Anti-Virus > SMTP > Outgoing and repeat steps Click Low to turn off virus scanning for Internet
web pages. and Click Apply. to turn off virus scanning of SMTP traffic.
• Go to Anti-Virus > POP3 > Outgoing and repeat steps Click Low to turn off virus scanning for Internet
web pages. and Click Apply. to turn off virus scanning of POP3 traffic.
• Go to Anti-Virus > IMAP > Outgoing and repeat steps Click Low to turn off virus scanning for Internet
web pages. and Click Apply. to turn off virus scanning of IMAP traffic.
Virus protection for incoming connections
You can prevent the spread of viruses from servers on your internal network by configuring incoming virus
protection. Incoming virus protection can be configured for the following services:
• HTTP, if you have an Internet web server installed on your internal network
DFL-500 User’s Manual
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