This is part 10 in the CentOS 8/RHEL 8 mail server from scratch tutorial series. In this article, I will show you how to use Amavis and ClamAV to scan viruses in email messages.
Amavis (A Mail Virus Scanner) is a high-performance interface between a message transfer agent (MTA) such as Postfix and content filters. A content filter is a program that scans the headers and body of an email message, and usually takes some action based on what it finds. The most common examples of content filters are ClamAV virus scanner and SpamAssassin.
Read full tutorial here: https://www.linuxbabe.com/mail-server/amavis-clamav-centos-8-rhel-8