Kaspersky Lab kaspersky mail gateway 5.5 Mode D'Emploi

•  subject – addition to the Subject header of a label 

corresponding to the assigned status and content category. 

•  keywords – addition to the Keywords header of a label 

corresponding to the assigned status and content category. 

•  none – addition of service headers (X-SpamTest-*) only to a 

message. 

•  Basic actions of the AV module (see section 4.4 on p. 38 for details): 

•  pass – deliver an object without changes. 
•  cure – replacement of an infected object with a disinfected one. 
•  remove – delete infected object. 
•  placeholder – replace infected attachments with messages 

created using templates. 

•  Additional actions: 

•  Append additional informational fields to message header or 

body (see section 6.12 on p. 80). 

•  Block delivery of messages to the recipients; see section 5.2.2 

on p. 46 for a sample method to block delivery for spam 
messages, and section 5.3.3 on p. 49 for messages containing 
infected objects. 

•  Create and send alerts to the sender, administrator, and 

recipient (see example in section 5.3.4 on p. 50). 

•  Quarantine a message; see section 5.2.3 on p. 46 for a sample 

method to quarantine spam messages and section 5.3.6 on p. 
52 for messages containing infected objects. 

4.3. Operation of the Spamtest filter 

Spam filtering by Spamtest is performed during the third step of the procedure 
described in section 4.2 on p. 32. Every message passes the following analysis 
stages: 

•  analysis of message headers using formal signs (see section 4.3.1 on 

p. 36) 

•  analysis of message contents using the content filtration database (see 

section 4.3.2 on p. 36).