Mail Antivirus tab

Antivirus > Configuration > Profiles > New or Edit > Protection > Mail Antivirus

If enabled, Mail Antivirus scans incoming and outgoing email messages for viruses and other threats.

• Enable Mail Antivirus - If checked, scans incoming and outgoing messages for the presence of malicious objects. It is launched when the operating system loads, is located in computer RAM and scans all email messages received via the POP3, SMTP, IMAP, MAPI and NNTP protocols.

  Note: The last character of email attachments with the following email extensions are renamed with an underscore (_) symbol: bat, cmd, com, exe, js, jse, msi, scr, vbe, vbs. This setting cannot be configured.

Security Level

• Security Level
  • High - Set this level if you suspect a computer has a high chance of being infected.
  • Recommended - This level provides an optimum balance between the efficiency and security and is suitable for most cases.
  • Low - If machine operates in a protected environment low security level may be suitable. A low security level can also be set if the machine operates with resource-consuming applications.
  • Custom - When any other setting on this tab is changed, the Security Level is set to Custom. Reset the Security Level to High, Recommended or Low to reset options to their default settings.

Action on Threat Detection

• Select action automatically - If checked, automatically performs actions recommended by Kaspersky Lab. Once a threat is detected, the application attempts to disinfect the object. If disinfect fails, the application attempts to delete it. Suspicious objects are skipped without processing. If blank, protection uses the customized settings below.
• Select Action
  • Disinfect - If checked, an attempt is made to disinfect a quarantined file.
  • Delete if disinfection fails - If a quarantine file fails to be disinfected, it is deleted.
  • If both of the above are unchecked, the file is skipped, and the threat is added to the Detections page.

Protection Scope

• Check incoming messages only - If checked, only incoming email is scanned. If blank, both incoming and outgoing email is scanned.

Connectivity

• POP3/SMTP/NMTP/IMAP Traffic - If checked, scans POP3/SMTP/NMTP/IMAP email traffic.
• Additional: Microsoft Office Outlook Plug-in - If checked, installs a plugin for the Outlook email client that enables the configuration of email antivirus options using the Tools > Options > Mail Anti-Virus tab in Outlook.
• Additional: The Bat! Plug-in - If checked, installs a plugin for The Bat! email client that enables the configuration of email antivirus options using the Properties > Settings > Virus protection item in The Bat!

Scan of Compound Files

• Scan Attached Archives - If checked, scans archived files.
• Do Not Scan Archives Larger Than X MB - Specifies the maximum size of archive to scan.
• Do Not Scan Archives For More Than X Seconds - Specifies the maximum time to scan archives.

Scan Methods

• Heuristics Analysis - If checked, uses heuristics analysis to identify the behavior of objects as malicious or suspicious, even if they are not yet identified an known threats in the signature database. This allows new threats to be detected even before they have been researched by virus analysts.
• Depth - Depth of heuristic analysis to use: Light, Medium, Deep.