Installation manual

4. ESET Mail Security - Server protection

While providing Microsoft Exchange Server protection, ESET Mail Security has all of the necessary tools to ensure

protection of the server itself (resident shield, web-access protection, email client protection and antispam).

4.1 Antivirus and antispyware protection

Antivirus protection guards against malicious system attacks by controlling file, email and Internet

communication. If a threat with malicious code is detected, the Antivirus module can eliminate it by first blocking

it, and then cleaning, deleting or moving it to quarantine.

4.1.1 Real-time file system protection

Real-time file system protection controls all antivirus-related events in the system. All files are scanned for

malicious code at the moment they are opened, created or run on your computer. Real-time file system protection

is launched at system startup.

4.1.1.1 Control setup

The Real-time file system protection checks all types of media, and control is triggered by various events. Using

ThreatSense technology detection methods (as described in section ThreatSense engine parameter setup ), real-

time file system protection may vary for newly created files and existing files. For newly created files, it is possible

to apply a deeper level of control.

To provide the minimum system footprint when using real-time protection, files which have already been scanned

are not scanned repeatedly (unless they have been modified). Files are scanned again immediately after each virus

signature database update. This behavior is configured using Smart optimization. If this is disabled, all files are

scanned each time they are accessed. To modify this option, open the Advanced Setup window and click Antivirus

and antispyware > Realtime file system protection from the Advanced Setup tree. Then click the Setup... button

next to ThreatSense engine parameter setup, click Other and select or deselect the Enable Smart optimization

option.

By default, Real-time protection launches at system startup and provides uninterrupted scanning. In special cases

(e.g., if there is a conflict with another Real-time scanner), the real-time protection can be terminated by

deselecting the Start Real-time file system protection automatically option.