What is RBL?

RBL is short for Realtime Blackhole List, a list of IP addresses whose owners refuse to stop the proliferation of spam. The RBL usually lists server IP addresses from ISPs whose customers are responsible for the spam and from ISPs whose servers are hijacked for spam relay.

QSS Hosting use these dynamic blacklists:

zen.spamhaus.org
bl.spamcop.net
zen.spamhaus.org
bl.spamcop.net
xbl.spamhaus.org
dnsbl-1.uceprotect.net
ix.dnsbl.manitu.net
b.barracudacentral.org

Was this answer helpful?

 Print this Article

Also Read

Email spoofing: Your account has been hacked

What is email spoofing? Email spoofing is the forgery of an email header so that the message...

How To Migrate An IMAP Email Account - Moving IMAP Email Servers

Migrating IMAP email from one server to another   When you move to a new Email provider,...

Domain has exceeded the max defers and failures per hour

What is this error?If you are receiving an error similar to "Domain example.com has exceeded the...

Automating Email Sorting into Specific Folders using Webmail

Effectively managing emails is a key part of maintaining a clutter-free inbox, especially in a...

How to build a DMARC record

Introduction This is a basic guide on how to craft a DMARC record for your domain. For more...