Here you can find a list of popular RBL Real-time Blackhole List Anti Spam Black List Sites.
It is recommended to use RBL sites in your Anti Spam filter for the best blocking of Spam senders.
You can use a few of them at least 2-3. If using too many it can slow down your site and catch real mail as spam.
In Protector UTM Firewall you can easily choose Low, Medium or High level of RBL lists that have already been pre configured.
This way you don't have to make the choise yourself.
DNSBL
Notice
abuse.rfc-ignorant.org.
RHSBL List
Domains without a working abuse mailbox
badconf.rhsbl.sorbs.net.
RHSBL List
A or MX records point to bad address space
bl.spamcop.net.
User Submission DNSBL
RBL SCBL aims to block spam with minimal blocking or misidentification of wanted email.
bogusmx.rfc-ignorant.org.
RHSBL List
Domains without working mail exchanger records
cbl.abuseat.org.
Open Proxy DNSB
Data is used by XBL, so don't use both.
dialups.mail-abuse.org.
Dialup or Dynamic IP DNSBL
dnsbl.sorbs.net.
Major Spam Source DNSBL
dsn.rfc-ignorant.org.
RHSBL List
Domains refusing any mail from “<>”
dul.dnsbl.sorbs.net.
Dialup or Dynamic IP DNSBL
Dynamic User/Host List Database (DUHL)
http.dnsbl.sorbs.net.
Open Proxy DNSBL
List of Open dangerous Proxy Servers
ipwhois.rfc-ignorant.org.
RBL with Hosts don follow RFC rules
RBL contain domains or IP networks whose administrators choose not to obey the RFCs,
misc.dnsbl.sorbs.net.
Open Proxy DNSBL
nomail.rhsbl.sorbs.net.
RHSBL List
Domain owners say no mail ever sent with these domains
postmaster.rfc-ignorant.org.
RHSBL List
Domains without a working postmaster mailbox
rhsbl.sorbs.net.
au.sorbs.net
RHS zones being abused.
sbl-xbl.spamhaus.org.
Major Spam Source DNSBL
Spamhaus Block List
sbl.spamhaus.org.
Major Spam Source DNSBL
Spamhaus Block List
pbl.spamhaus.org.
Dialup or Dynamic IP DNSBL
Spamhaus Policy Block List
smtp.dnsbl.sorbs.net.
Open Relay DNSBL
List of Open SMTP relay servers.
socks.dnsbl.sorbs.net.
Open Proxy DNSBL
List of reachable SOCKS Proxy Sites.
spam.dnsbl.sorbs.net.
Anti Spam DNSBL
Targets that are listed to sent spam UBE UCE
web.dnsbl.sorbs.net.
Open Formmail DNSBL
List of web servers being abused by spammers.
whois.rfc-ignorant.org.
RHSBL List
Domains without “correct” whois
xbl.spamhaus.org.
Open Proxy DNSBL
Exploits Block List - illegal 3rd party exploits.Incorporates CBL data and OPM data.
zombie.dnsbl.sorbs.net.
Bogon, Hijacked & Zombie Network DNSBL
List of compromised networks taken over by black hat crackers.
zen.spamhaus.org.
Major Spam Source DNSBL
Spamhaus Block List - the SBL, XBL and PBL in combination
psbl.surriel.com
Spamtrap Driven or Automated DNSBL
Passive Spam Block List
ix.dnsbl.manitu.net
Spamtrap Driven or Automated DNSBL
automatically generated entries
ips.backscatterer.org
Behaviour Driven DNSBL
Backscatter and Sender Callout abusers
dnsbl-1.uceprotect.net (For Level 1)
Spamtrap Driven or Automated DNSBL
Level 1 lists single IP's only.
dnsbl-2.uceprotect.net (For Level 2)
Spamtrap Driven or Automated DNSBL
Strict Level 2 escalates within allocation
dnsbl-3.uceprotect.net (For Level 3)
Spamtrap Driven or Automated DNSBL
