Keep ahead of the threat

By identifying spammers, bot herders and cyber criminals, Spamhaus protects three billion mailboxes worldwide, every day.

Reputation-based threat intelligence - an essential element of multi-layered security.

Start your free trial

Latest threat intelligence - updated by Spamhaus

IP Data Sets

Find out more
SBL
(Spamhaus Block List)
XBL
(Exploits Block List)
PBL
(Policy Block List)

Domain Data Sets

Find out more
DBL
(Domain Block List)
ZRD
(Zero Reputation Domains)
Discover why we’re the most trusted Mailfilter and Security solution
Start your 30 day free trial

About Spamhaus

Email is mission critical to all businesses and organizations, retaining a unique position as the most common communication tool across the internet.

However its widespread use makes it a key channel for cyber criminals to take advantage of your data, your money and your networks. For more than a decade we have been helping organizations protect against such activity through our reputation-based threat intelligence.

You need to trust your connections online and with Spamhaus data, you have a first line of defense advising you of the reputation of email entering your network.

What we do

Spamhaus Technology delivers continuously updated data feeds worldwide; for individuals, businesses of all sizes, government departments and civic organizations.

These data feeds effortlessly provide email administrators and security teams with threat intelligence so that you can block suspicious inbound email, providing a robust first line of defense.

Get in touch

Please enter your contact details:

Please provide your name.
Please provide your email address.
Please provide your company.
Please provide your telephone number.
Please select a country.
Please prove you are not a robot

Trusted by many of the biggest brands in the world

AOL
Microsoft
At&T
ComCast
COX

Engage with us on

It’s time to protect your organization

Start your free trial