Hi list,
I'd like to use amavisd-new (2.4.1) to selectively pass viruses by name
through to selected mailboxes, without defining them as virus_lovers. I
can think of a couple of approaches:
1. Set up a policy bank that overrides @av_scanners, including:
['ClamAV-clamd',
\&ask_daemon, ["CONTSCAN {}\n", "/var/run/clamav/clamd"],
qr/(\bOK|\.Phishing\.\S+ FOUND)$/, qr/(?!\.Phishing\.)(.*) FOUND$/,
qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
2. Set up quarantine to be delivered to some SMTP destination
via virus_quarantine_to_maps instead of "local:" and have forwarding rules
at the quarantine destination handle it. This would probably be more work to
integrate with our existing stuff (quarantine expiry scripts, etc.)
@virus_quarantine_to_maps = ( # per-recip multiple quarantines
#delivery to 'infected' invokes rules to check what it should forward
new_RE( [qr'[EMAIL PROTECTED]'i => "[EMAIL PROTECTED]"],
$virus_quarantine_to, # the usual default
);
3. Just run a cron job that releases the messages I want from quarantine.
This is what I have now.
At a guess, option 1 would be the least disruptive to the rest of our
environment, option 2 would be the easiest to extend with more users and
virus name patterns, and option 3 the simplest to implement, though
lacking some timeliness of delivery.
Am I right in thinking that to use option 1 with Postfix, I'd need proper
multi-instance and feed mail to amavisd via transport maps rather than
content_filter to correctly handle multi-recipient mail? And would that
break XFORWARD (TFM suggests it won't)?
TIA
rob
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