[nzlug] (OT) Sorbs etc, was Exim: Limiting outgoing connections on Debian

Robin Sheat robin at kallisti.net.nz
Wed Oct 11 09:41:58 NZDT 2006


On Wednesday 11 October 2006 09:16, Cliff Pratt wrote:
> This assumes that the greylisting server is set up correctly, which
> almost always is not the case.
You can't really use 'people don't use it right' as an argument against the 
method itself :) people also send horrible HTML and image laden emails. 
That's not the fault of email, that's them not using it right :)

> > It's not trivial for spammers to beat. Think of sending 100,000 emails
> > from a bot. You're not going to queue them up for retries any time soon.
> Except that these days they use zombies and owned machines. Greylisters
> in general don't use blacklists and hence are open to attack by zombies
> and owned machines.
No they're not. That's what I mean by a bot. Bots don't tend to retry because 
they're pushing through heaps of mail and it would just slow them down.

-- 
Robin <robin at kallisti.net.nz> JabberID: <eythian at jabber.kallisti.net.nz>

Hostes alienigeni me abduxerunt. Qui annus est?

PGP Key 0xA99CEB6D = 5957 6D23 8B16 EFAB FEF8  7175 14D3 6485 A99C EB6D
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