Since most viruses and worms spread primarily through email, Kerio Mail Server scans each message across all delivery protocols, making sure that users can neither receive nor send any infected email.
Support for internal virus scanning makes Kerio Mail Server a secure shield against the spread of computer viruses. By checking both incoming and outgoing email, the risk of infecting external addressees is significantly decreased. The outgoing antivirus check is also performed on emails originating in and destined for the local network, which eliminates the risk of internal Infection in cases where the virus does not enter the network via email. Antivirus scanning is done on the kernel level, which ensures that no message can bypass the antivirus software.