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

What is your SPAM policy?

When you sign up for a QSS hosting account, you agree not to use the account to send spam,...

Configure email account on Android phone or tablet

From the Applications menu, select Email. This application may be named Mail on some versions...

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...

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,...

How to build a DMARC record

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