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List: amavis-user
Subject: Re: [AMaViS-user] warnvirussender?
From: Mark Martinec <Mark.Martinec+amavis () ijs ! si>
Date: 2010-10-22 18:13:02
Message-ID: 201010222013.03007.Mark.Martinec+amavis () ijs ! si
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Patrick,
> !$Amavis::Conf::warnvirussender
> or die "The setting \$warnvirussender has been retired, ".
> "please remove it from a configuration file\n";
>
> Why did it go? Any chance to get it back in?
Because it is dangerous and for most purposes equivalent
to a setting:
$final_virus_destiny = D_REJECT;
@viruses_that_fake_sender_maps = ();
unless you really want the infected mail to propagate.
Even before the 2.7.0, a combination of $warnvirussender=1
and $final_virus_destiny=D_DISCARD was silently turned
into a: $final_virus_destiny = D_BOUNCE
> > so, you want to 'spam' innocent victims? forged 'from' addresses
> > designed to create confusion?
> > and you want to be added to the backscatter blacklist?
>
> If $warn_offsite = 0; $warnvirussender = 1; is a sane setting in a closed
> network and a legitimate use case.
No it is not sane nowadays as any decent virus provides a faked sender
address when it is running on some internal infected PC. In this
view neither $warnvirussender=1 nor $final_virus_destiny=D_BOUNCE
can safely be used, even on outbound mail.
The only useful way to warn on outbound infected mail is to
deliver notifications to a fixed e-mail address, i.e. the
$virus_admin or $newvirus_admin (or ther big brothers
@virus_admin_maps, @newvirus_admin_maps, %admin_maps_by_ccat).
Another option might be to send warnings to an authenticated
username used on mail submission, but this is too installation
specific, hard to provide a general solution.
Mark
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