> Ralf Hildebrandt wrote:
> []
> > > (thanks Maximiliano!). But this was manual actions, and who
> > > knows how much traffic was generated by this whole day of
> > > constant flood. Well, policy daemon may solve this situation
> >
> > Idea: Check logs for header_checks and body_checks rejections and
> > report them automatically to ordb.org
>
> This will not work: it's open PROXIES, not open relays. Also, other
> spam sources that has the same problem as I see here are not proxies
> and not relays (just pure spam houses) -- for those, no automatic
> testing can be performed, only manual blacklisting (or SPEWS listing
> for that matter).

There are rbl zones for listing open proxies and spam houses

http://www.openrbl.org/ lists has a few of them. Maybe it might be
useful to link this of Postfix's web page. That way, new postfix users
would be better prepared

Regards, Yusuf

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