DNS_FROM_AHBL_RHSBL 2.699 on Spamassassin

The public DNSBL services offered by AHBL have been shutdown.

Services and programs which used dnsbl.ahbl.org, ircbl.ahbl.org and rhsbl.ahbl.org need to be updated in order to avoid false positives:

X-Spam-Status: No, score=0.789 tagged_above=-999 required=6
	tests=[BAYES_00=-1.9, DNS_FROM_AHBL_RHSBL=2.699,
	T_RP_MATCHES_RCVD=-0.01] autolearn=no

Spamassassin configuration, for example, needs to be fixed:

# cat /usr/share/spamassassin/20_dnsbl_tests.cf | grep AHBL
header DNS_FROM_AHBL_RHSBL    eval:check_rbl_envfrom('ahbl', 'rhsbl.ahbl.org.')
describe DNS_FROM_AHBL_RHSBL  Envelope sender listed in dnsbl.ahbl.org
tflags DNS_FROM_AHBL_RHSBL    net
reuse  DNS_FROM_AHBL_RHSBL

Comment that block or (at least) force a score zero for the rule in your local configuration:

# cat /etc/spamassassin/local.cf | grep AHBL
score DNS_FROM_AHBL_RHSBL 0
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Italian, born in 1980, I started working in the IT area in the late '90s; I'm now a system and network administrator with a deep knowledge of the global Internet and its core architectures.

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