Re: [SA-milter] Spam evading milter

[J4K]

On 07/11/2011 10:14 PM, Adam Katz wrote:
> On 07/11/2011 07:39 AM, J4K wrote:
>> How could a message that scored greater than 10 on the SA backend, be
>> scored lower on the milter, or perhaps not even processed?
> It's probably too large (>500kB) and was thus given a free pass.  If
> that is the case, you can alter spamass-milter to call spamc with a
> higher max_size argument, like:
>
> spamass-milter ... -- --max-size -s 1050000
>
> as noted on the spamass-milter and spamc man pages.  (That's in bytes,
> fudged just above 1MB since spammers like to just barely exceed the max
> scan size threshold.)  You should pick something that correlates to
> however much idle time is on your spam filtering server(s), e.g. if your
> load average is typically near zero, go nuts (3MB should do for a very
> large max size), but if you're already around one or higher, only bump
> it slightly.
>
> The default is either 500000 or 512000 bytes (the man page is ambiguous).
>
>
>
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Hi Adam,

    Thank-you. I had not seen this option because there is no such .conf
file nor man page on Debian Squeeze.  I had suspected a size limit, but
could not find the setting, and had not thought of passing options back
to spamc.

I added it:

# /usr/sbin/spamass-milter -P /var/run/spamass/spamass.pid -f -p
/var/spool/postfix/spamass/spamass.sock -u nobody -M -r 9 -i 127.0.0.1
-- -s 1050000

Many thanks and regards, S.