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Have you been blocked?

All blocklists are researched and managed by The Spamhaus Project.

Simply click on the link below, which will take you to the Project’s IP and Domain Reputation Checker. From here you will be able to enter your IP or Domain and begin your request for removal.

Please note that the Project’s IP and Domain Reputation Checker is the only place where removals are handled.

Visit Spamhaus Project

As was announced way back in 2019, the Spamhaus Project is releasing new return codes, namely error codes. The purpose is to indicate to users when Spamhaus' Public Mirrors are not protecting them. However, if users of the Public Mirrors don't configure their email infrastructure correctly, they could have some significant issues if or when an error code is returned. Read more here.

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Related Information

Help for Spamhaus Public Mirror Users

If you are using the Spamhaus Project’s Public Mirrors and are suddenly experiencing issues with your email stream, it is likely that you are having issues parsing newly introduced error codes.

We have collated all the information you need to help you understand what you need to do to fix the problem and find out why these error codes have been introduced.

  • What has happened to impact your email stream?
  • Why were these measures implemented?
  • What can you do to quickly resolve the issue?
Learn more Sign up for free Data Query Service

Data Query Service (DQS)

Spamhaus’ Data Query Service (DQS) is an affordable and effective solution to protect your email infrastructure and users.

Using your existing email protection solution, you will be able to block spam and other related threats including malware, ransomware, and phishing emails.

The service has never failed and utilizes the longest established DNSBLs in the industry.

  • Proactive & preventative
  • Save on email infrastructure & management costs
  • Actionable
Sign up for a free trial Learn More

Resources

If you query Spamhaus Projects’ legacy DNSBLs via DigitalOcean move to the free Data Query Service

11 January 2024

News

Are you currently using the Spamhaus Project’s DNS Blocklists (DNSBLs) via DigitalOcean? If you've answered "yes" to both of these questions, you need to make some changes to your email infrastructure.

Learn more

Getting a Spamhaus error when using phpBB? Here’s what’s going on

9 September 2022

Blog

If you're using phpBB and have recently started getting an error from Spamhaus, in this blog post we explain what’s going on and a simple fix.

Learn more

How to configure your MTA to accept the Spamhaus Project’s error codes

21 February 2021

Technical Information

If you are a Spamhaus Project Public Mirror user, here's the technical information on how to configure your MTA correctly to accept error codes.

Learn more