Starting with version 4.61.7-2 of MailScanner, MailScanner can now talk directly to the Clam AntiVirus clamd daemon. Previously, an executable program called clamscan, specified by setting Virus Scanners = clamav in the MailScanner configuration file, was launched to perform virus scanning. This process required so much overhead to perform.
To minimize the resource requirements, a more efficient Perl ClamAV module, specified by setting Virus Scanners = clamavmodule in the MailScanner configuration file and installing the necessary Perl modules, was developed.
But this new feature, activated by setting Virus Scanners = clamd in the MailScanner configuration file, bypasses the external program clamscan and Perl ClamAV module and communicates directly with the Clam AntiVirus daemon (clamd) giving a lighter resource usage and better performance.
The MailScanner and ClamAV integration guide has been updated to utilize this new feature.
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