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

Configure iPhone and iPad for email

On your iphone home screen tap the settings icon Tap on Mail, Contacts, Calendars Tap on Add...

501 Too many syntax or protocol errors – Outlook / Outlook Express

Issue Error Messages:SMTP call from (workstation) [xx.xx.xx.xx] dropped: too many syntax or...

Managing registered email address for scripts

We have enabled a tool that restricts the email IDs which can be used for sending emails through...

Set up a POP3 connection to your email in Outlook 2010 or Outlook 2013

Open Outlook. If the Microsoft Outlook Startup Wizard opens, on the first page of the wizard...

Automating Email Sorting into Specific Folders using Webmail

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