Extracting those last drops of performance

[Martin Hepworth]

On 6 May 2010 18:21, Zaeem Arshad <zaeem.arshad at gmail.com> wrote:

> On Thu, May 6, 2010 at 12:46 PM, Martin Hepworth <maxsec at gmail.com> wrote:
> > If you're using spamhaus with that kind of load you WILL need the
> datafeed
> > or you'll get blocked..
> >
> > http://www.spamhaus.org/datafeed/index.lasso
> >
>
> My primary RBL is Barracuda which takes care of around 90% of the
> blacklisted IPs. So a very minor number passes the BRBL and is blocked
> by Spamhaus.
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depends if you are pipelining the RBLS in the MTA or letting
MailScanner/spamassassin do it in which you'll be passing every email over
the RBL.

If you're doing RBL at MTA stage then make sure you turn the RBL's off in
Spamassassin as you're only wasting cycles. Given them a zero score in
mailscanner.cf

-- 
Martin Hepworth
Oxford, UK
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