how to pass infected attachment

[Володя К. via amavis-users]

24.01.2014, 14:30, "Noel Jones via amavis-users" <amavis-users at amavis.org>:
> On 1/24/2014 1:39 AM, Володя К. via amavis-users wrote:
>
>>>  amavisd-new does not drop attachments (unless you've installed and
>>>  enabled/configured the optional altermime module).
>>>
>>>  Most likely something else is dropping the attachment after amavisd
>>>  sees it. Commonly desktop antivirus or a firewall is the culprit.
>>  strange I have no local anti-virus , no firewall (I have ubuntu os).
>>  If I disable the amavisd(+clamav), the infected email is successfully delivered, so there is no problem on my local computer.. This is clearly a server-side.
>
> Look for any $defang_ options in your amavisd.conf. These are not
> enabled by default.
>

Default value for defang_virus was "1" .
I have tried set "$defang_virus  = 0;" and I now I can receive mail letters with infected attachment.

Thanks you.