F-SECURE INTERNET GATEKEEPER FOR LINUX 4.01 Administrator's Manual page 36

The standard port number is 25.
This setting is ignored in transparent mode.
What to do when a virus is detected
Action on Viruses (action)
Pass
Pass (action=pass)
Allows e-mail to pass even if a virus is detected.
In this case, the detection is recorded in the log, the administrator is notified, and
X-Virus-Status: is added to the header.
This setting is not usually used.
Block
Delete (action=deny)
Blocks sending of infected e-mails.
The SMTP session returns the following error to notify the mailer and mail server directly.
554 Infected by [virus name]
Delete
Delete (action=blackhole)
Deletes infected e-mails. Does not send a detection message.
Notify recipients after deleting the mail
Delete and send to receiver (action=delete)
Deletes the virus and sends a virus detection message to the recipient by e-mail.
This setting is not typically used for outbound e-mails, because the recipient of infected
e-mails may be spoofed.
If you choose to notify the recipient, it often means that the notification is sent to an
unrelated third party.
Notify the sender by e-mail after deleting the mail
Delete and send back to sender (action=sendback)
Deletes the virus and sends a virus detection message to the sender by e-mail.
This setting is not typically used for inbound e-mails, because the sender of infected
e-mails may be spoofed.
If you choose to notify the sender, it often means that the notification is sent to an
unrelated third party.
Notify the administrator by e-mail
Notify Admin (notify_admin)
Sends a notification to the administrator by e-mail. Specify the e-mail address, mail
server, and detection message in
settings".
To separate notifications from standard e-mails, "X-Admin-Notification-Id: [number]" is
added to the header This also prevents the notification message from being detected as
a virus. "Number" is a random number, which is set as admin_notification_id in the
settings file during the installation.
F-Secure Internet Gatekeeper for Linux/Administrator's Guide
Settings to notify the administrator
under "Common
36