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Page 296 / 428 Scroll up to view Page 291 - 295
Email Filtering
282
Check Point ZoneAlarm User Guide
•
If you clicked
Resume
in the
Web Filtering Off
popup window, the popup
window closes.
Email Filtering
There are two Email Filtering services:
•
Email Antivirus
When the Email Antivirus service is enabled, your email is automatically scanned for
the detection and elimination of all known viruses and vandals. If a virus is detected, it
is removed and replaced with a warning message.
Note:
The Email Antivirus subscription service differs from VStream Antivirus in the
following ways:
•
Email Antivirus is centralized, redirecting traffic through the Service
Center for scanning, while VStream Antivirus scans for viruses in the
ZoneAlarm gateway itself.
•
Email Antivirus is specific to email, scanning incoming POP3 and
outgoing SMTP connections only, while VStream Antivirus supports
additional protocols, including incoming SMTP and outgoing POP3
connections.
You can use either antivirus solution or both in conjunction. For information on
VStream Antivirus, see
Using VStream Antivirus
on page 247.
•
Email Antispam
When the Email Antispam service is enabled, your email is automatically scanned for
the detection of spam. If spam is detected, the email’s Subject line is modified to
indicate that it is suspected spam. You can create rules to divert such messages to a
special folder.
Note:
Email Filtering services are only available if you are connected to a Service
Center and subscribed to the services.
Page 297 / 428
Email Filtering
Chapter 13: Using Subscription Services
283
Enabling/Disabling Email Filtering
To enable/disable Email Filtering
1.
Click
Services
in the main menu, and click the
Email Filtering
tab.
The
Email Filtering
page appears.
2.
Next to
Email Antivirus
, drag the
On/Off
lever upwards or downwards.
Email Antivirus is enabled/disabled.
Selecting Protocols for Scanning
If you are locally managed, you can define which protocols should be scanned for viruses
and spam:
•
Email retrieving (POP3).
If enabled, all incoming email in the POP3 protocol will
be scanned.
•
Email sending (SMTP).
If enabled, all outgoing email will be scanned.
Protocols marked with
will be scanned, while those marked with
will not.
Page 298 / 428
Email Filtering
284
Check Point ZoneAlarm User Guide
Note:
If the ZoneAlarm router is remotely managed, contact your Service Center
administrator to change these settings.
To enable virus and spam scanning for a protocol
1.
Click
Services
in the main menu, and click the
Email Filtering
tab.
The
Email Filtering
page appears.
2.
In the
Options
area, click
or
next to the desired protocol.
Configuring Email Filtering Advanced Settings
Note:
If the ZoneAlarm router is remotely managed, contact your Service Center
administrator to change these settings.
To configure Email Filtering advanced settings
1.
Click
Services
in the main menu, and click the
Email Filtering
tab.
The
Email Filtering
page appears.
2.
Next to the
Bypass scanning if Service Center is unavailable
option, specify
how the gateway should handle Email Filtering when the service is enabled
and the Service Center is unavailable, by doing do one of the following:
•
To temporarily block all email traffic, click
.
This ensures constant protection from spam and viruses.
The button changes to
.
•
To temporarily allow all email traffic, click
.
This ensures continuous access to email; however, it does not protect against
viruses and spam, so use this option cautiously.
The button changes to
.
When the Service Center is available again, the gateway will enforce the configured
Email Filtering policy.
Page 299 / 428
Email Filtering
Chapter 13: Using Subscription Services
285
Temporarily Disabling Email Filtering
If you are having problems sending or receiving email you can temporarily disable the
Email Filtering services.
To temporarily disable Email Filtering
1.
Click
Services
in the main menu, and click the
Email Filtering
tab.
The
Email Filtering
page appears.
2.
Click
Snooze
.
•
Email Antivirus and Email Antispam are temporarily disabled for all internal
network computers.
•
The
Snooze
button changes to
Resume
.
Page 300 / 428
Email Filtering
286
Check Point ZoneAlarm User Guide
•
The
Email Filtering Off
popup window opens.
3.
To re-enable Email Antivirus and Email Antispam, click
Resume
, either in the
popup window, or on the
Email Filtering
page.
•
The services are re-enabled for all internal network computers.
•
If you clicked
Resume
in the
Email Filtering
page, the button changes to
Snooze
.
•
If you clicked
Resume
in the
Email Filtering Off
popup window, the popup
window closes.

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