Better antivirus (AV) protection?

[Damian]

>> You could give 7zip [1] a try. According to [2], 7zz integration does 
>> not need code changes. You'd have to deploy 7zz manually, though, as 
>> I don't see it in EPEL either.
>
> RPM names are p7zip and p7zip-plugins on EPEL for Centos 8. 

p7zip and p7zip-plugins do not provide 7zz, but 7z and 7za. Per 
Nikolaos' given @decoders, Amavis tried 7z and failed.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.amavis.org/pipermail/amavis-users/attachments/20220405/25b6c774/attachment.htm>