Kaspersky Lab kaspersky mail gateway 5.5 Mode D'Emploi
CHAPTER 9. FREQUENTLY
ASKED QUESTIONS
This chapter contains a discussion of questions most frequently asked by our
users regarding the installation, configuration and operation of the application.
users regarding the installation, configuration and operation of the application.
Question: Is it possible to use Kaspersky Mail Gateway with anti-virus
products of other vendors?
products of other vendors?
No. We recommend uninstalling anti-virus products of other vendors
prior to installation of Kaspersky Mail Gateway to avoid software
conflicts.
prior to installation of Kaspersky Mail Gateway to avoid software
conflicts.
Question: Kaspersky Mail Gateway does not rescan files that have
been scanned earlier. Why?
been scanned earlier. Why?
This is true. The application does not rescan files that have not changed
since the last scan.
since the last scan.
That has become possible due to new iChecker™. The technology is
implemented in the program using a database of file checksums.
implemented in the program using a database of file checksums.
Question: Why does Kaspersky Mail Gateway cause a certain decrease
in server performance, noticeably loading the CPU?
in server performance, noticeably loading the CPU?
Virus detection is a computationally intensive mathematical problem
requiring structural analysis, checksum calculation and mathematical
data conversions. Processor time is therefore the main resource
consumed by the program, and each new virus added to the anti-virus
databases increases the overall scanning time. This is a necessary
sacrifice for the security and safety of your data.
requiring structural analysis, checksum calculation and mathematical
data conversions. Processor time is therefore the main resource
consumed by the program, and each new virus added to the anti-virus
databases increases the overall scanning time. This is a necessary
sacrifice for the security and safety of your data.
Other anti-virus products speed up scanning by excluding both viruses
which are less easily detectable or less frequent in the geographic
location of the anti-virus vendor, and file formats that require
complicated analysis (e.g. PDF) from their databases.
which are less easily detectable or less frequent in the geographic
location of the anti-virus vendor, and file formats that require
complicated analysis (e.g. PDF) from their databases.
In contrast, Kaspersky Lab believes that the purpose of its products is to
establish real and complete security for its users.
establish real and complete security for its users.
Kaspersky Mail Gateway gives its users maximum protection.
Experienced users can accelerate anti-virus scanning to the detriment
of overall security by disabling scanning of various file types, but we do
not recommend doing so for users who want the best protection.
Experienced users can accelerate anti-virus scanning to the detriment
of overall security by disabling scanning of various file types, but we do
not recommend doing so for users who want the best protection.