> Date: Tue, 13 Apr 2010 13:35:00 -0700
> From: jeroen@???
> To: exim-users@???
> Subject: Re: [exim] smtp_max
>
> Jean-Paul natola wrote:
> > smtp_accept_max_per_host
> >
> > smtp_accept_max
> >
> > im currently configured like this:
> >
> > smtp_accept_max = 20
> > smtp_accept_max_per_host = 4
> > smtp_accept_reserve = 0
>
> Looks like those settings are fair. But it's not really going to solve
> your problem. You need to implement some proper spam blocking methods.
>
> There's various ways to do that. Without getting too specific to the
> software used:
>
> Use spamhaus' DROP list to block ranges for ALL traffic at the firewall
> level. Add IPs to taste, you never want to see traffic from, think
> country blocking if that's your cup of tea.
>
> Use your own block list to block connections to port 25. As well as
> various DNSBLs.
>
> Use grey listing.
>
> Use invalid HELO blocking.
>
> Use invalid or no rDNS blocking.
>
> That should slow down the hammering considerably. I'd be glad to help
> you out more if you need specific information.
>
> Regards,
> Jeroen
>
> --
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> That should slow down the hammering considerably. I'd be glad to help
> you out more if you need specific information.
>
I would appreciate that
i do use SA but that scans messages AFTER they made it through exim, my only fear of gateway blocking is that we are a NGO and work with people in ALMOST every country
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