Op 01-09-2002 18:14 schreef Greg A. Woods (woodsweird.com):

> I use a number of DNSBLs, including bl.spamcop.net, in conjunction with
> dnsbl.njabl.org, relays.ordb.org and relays.osirusoft.com. Together
> they are almost 100% perfect, i.e. I receive only about one or two
> direct-addressed spams per week.
>
> You probably can't get away with using it on the central mail server of
> a public ISP (or some types of Internet-based businesses, I suppose),
> but in my world they produce absolutely no false positives!

Depends on who your users are. There's only a handful of people receiving
mail through our mailserver, but the senders are internationally
distributed. I.e. a lot of misconfigured mail servers that break on too
strict access rules, or that bounce because they were broken half a year
ago, fixed, but never re-submitted to the RBLs.

So, I stick to relays.ordb.org, dynablock.wirehub.net,
proxies.relays.monkeys.com and socks.relays.osirusoft.com and catch all the
spam that gets through with spamassassin. Better to receive a hundred tagged
spams that one bounced false positive (they tend to be the mails you really
really need).

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