Rbl’s Server’ı zimbra’ya eklemenin 2 yolu vardır, ilki zimbra admin aracılığıyla, ikincisi ise konsol üzerinden:
Zimbra Yöneticisi
Ana Sayfa > Yapılandır > Genel Ayarlar > MTA,
DNS Kontrolü sütununda
- RBL’nin İstemci Listesine Rbl Sunucusunu Girin
 - İstemci RHSBL Listesine RHSBL Sunucularını giriniz
 
Konsol
zmprov mcf +zimbraMtaRestriction “reject_rbl_client zen.spamhaus.org”
zmprov mcf +zimbraMtaRestriction “reject_rhsbl_client dbl.spamhaus.org”
RBL’lerin listesi
Uygun olduğunu düşündüğünüz birkaç RBL seçin. Tüm RBL’leri kullanmayın çünkü tarama işlemi ne kadar fazlaysa, posta sunucusu performansı o kadar yavaş olur. Bazı RBL Sunucularını test edin, sonuçları görün. İşte kullanılabilecek RBL’lerin bir listesi.
- b.barracudacentral.org
 - bl.emailbasura.org
 - bl.spamcannibal.org
 - bl.spamcop.net
 - blackholes.five-ten-sg.com
 - blacklist.woody.ch
 - bogons.cymru.com
 - cbl.abuseat.org
 - cdl.anti-spam.org.cn
 - combined.abuse.ch
 - combined.rbl.msrbl.net
 - db.wpbl.info
 - dnsbl-1.uceprotect.net
 - dnsbl-3.uceprotect.net
 - dnsbl.ahbl.org
 - dnsbl.inps.de
 - dnsbl.sorbs.net
 - drone.abuse.ch
 - drone.abuse.ch
 - duinv.aupads.org
 - dul.dnsbl.sorbs.net
 - dul.ru
 - dyna.spamrats.com
 - dynip.rothen.com
 - .dnsbl.sorbs.net
 - images.rbl.msrbl.net
 - ips.backscatterer.org
 - ix.dnsbl.manitu.net
 - korea.services.net
 - misc.dnsbl.sorbs.net
 - noptr.spamrats.com
 - ohps.dnsbl.net.au
 - omrs.dnsbl.net.au
 - orvedb.aupads.org
 - osps.dnsbl.net.au
 - osrs.dnsbl.net.au
 - owfs.dnsbl.net.au
 - owps.dnsbl.net.au
 - pbl.spamhaus.org
 - phishing.rbl.msrbl.net
 - probes.dnsbl.net.au
 - proxy.bl.gweep.ca
 - proxy.block.transip.nl
 - psbl.surriel.com
 - rbl.interserver.net
 - rbl.megarbl.net
 - rdts.dnsbl.net.au
 - relays.bl.gweep.ca
 - relays.bl.kundenserver.de
 - relays.nether.net
 - residential.block.transip.nl
 - ricn.dnsbl.net.au
 - rmst.dnsbl.net.au
 - sbl.spamhaus.org
 - short.rbl.jp
 - smtp.dnsbl.sorbs.net
 - socks.dnsbl.sorbs.net
 - spam.abuse.ch
 - spam.dnsbl.sorbs.net
 - spam.rbl.msrbl.net
 - spam.spamrats.com
 - spamlist.or.kr
 - spamrbl.imp.ch
 - t3direct.dnsbl.net.au
 - tor.ahbl.org
 - tor.dnsbl.sectoor.de
 - torserver.tor.dnsbl.sectoor.de
 - ubl.lashback.com
 - ubl.unsubscore.com
 - virbl.bit.nl
 - virus.rbl.jp
 - virus.rbl.msrbl.net
 - web.dnsbl.sorbs.net
 - wormrbl.imp.ch
 - xbl.spamhaus.org
 - zen.spamhaus.org
 - zombie.dnsbl.sorbs.net
 
RHSBL’lerin listesi
