Kaspersky Secure Mail Gateway

About information X-headers

Based on the results of the scan, the application appends special information X-headers to the header of the message, for example:

• X-KSMG-Rule-ID – list of message processing rule IDs.
• X-KSMG-Message-Action – action taken by the application on the message, and the application module that was triggered.
• X-KSMG-AntiVirus – header for messages processed by the Anti-Virus module (contains the name and version of the application as well as the release date of Anti-Virus databases).
• X-KSMG-AntiVirus-Status – status assigned to the message by Anti-Virus based on the Anti-Virus scan results.
• X-KSMG-AntiSpam-Lua-Profiles – version of Anti-Spam databases and information about the assigned spam rating.
• X-KSMG-AntiSpam-Method – method used to identify spam.
• X-KSMG-AntiSpam-Rate – rating assigned to the message by the Anti-Spam engine.
• X-KSMG-AntiSpam-Status – status assigned to the message by the Anti-Spam engine based on the scan results.
• X-KSMG-AntiSpam-Envelope-From – message sender.
• X-KSMG-AntiSpam-Auth – status assigned to the message as a result of Mail Sender Authentication using SPF, DKIM, DMARC technologies.
• X-KSMG-AntiSpam-Version – version of the Anti-Spam module.
• X-KSMG-AntiSpam-Info – criteria which the Anti-Spam module applied to assign the status to the message.
• X-KSMG-AntiSpam-Moebius-Timestamps – information about signatures of the Moebius service.
• X-KSMG-AntiPhishing – header for messages processed by the Anti-Phishing module (contains the result of the scan).
• X-KSMG-LinksScanning – header for messages processed by the URL Advisor module (contains the scan result and the release date of the Anti-Virus databases).
• X-KSMG-AntiSpam-Interceptor-Info – message scan result.

  The header can contain the following values:

  • not scanned – the Anti-Spam module is disabled.
  • timeout expired – the scan was not completed because timeout was reached.
  • scan successful – the message was scanned successfully.
  • fallback – the scan was not completed because an error was encountered.