Better antivirus (AV) protection?
amavis at arcsin.de
Tue Apr 5 14:17:55 CEST 2022
> Question 1: Is there something wrong in the configuration that does
> not allow 7z scanning or probably an additional software library is
Your system lacks rar and unrar, and EPEL does not provide it any more.
> Question 1A: If a decoder fails, could amavis be explicitly configured
> to try more decoders?
As far as I can tell, no.
> Question 2: Could the config be corrected to process 7z attachments
You could give 7zip  a try. According to , 7zz integration does
not need code changes. You'd have to deploy 7zz manually, though, as I
don't see it in EPEL either.
> As a final note: I was misled by the fact that in the mail headers the
> mail was reported as scanned and not as undecipherable.
> X-Virus-Scanned: amavisd-new at noa.gr
> Question 3: How can we configure amavis to report such mails (which
> failed to open for scanning) as undecipherable?
You can't. This particular code path does not add the undecipherable flag.
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