# Spamhaus Project
> The Spamhaus Project is an international non-profit organization that tracks spam and related cyber-threats such as phishing, malware, and botnets. It provides real-time threat intelligence and reputation data used by the majority of the internet's ISPs and email service providers to filter malicious traffic.
- URL: https://optimly.ai/brand/spamhaus-project
- Slug: spamhaus-project
- BAI Score: 92/100
- Archetype: Challenger
- Category: Cybersecurity
- Last Analyzed: April 11, 2026
## Also Referenced By
- Ad Hoc Blacklistswhitelists (https://optimly.ai/brand/ad-hoc-blacklistswhitelists)
## Buyer Intent Signals
Problems: Manual Postmaster Filtering: Internally managed blocklists or manually updated Postfix/Exim configuration files. | Standard MTAs (Defaults): Relying on built-in basic filtering from mail server software without external reputation data.
Solutions: best free IP blocklist for postfix | what is the SBL blocklist | how to check if IP is blacklisted for spam | reputable DNSBL providers | enterprise email security platform reviews | Generic Threat Intel Hubs: Using generic threat intelligence feeds that include IPs but aren't specific to email reputation.
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## Full Details / RAG Data
### Overview
Spamhaus Project is listed in the AI Directory.
The Spamhaus Project is an international non-profit organization that tracks spam and related cyber-threats such as phishing, malware, and botnets. It provides real-time threat intelligence and reputation data used by the majority of the internet's ISPs and email service providers to filter malicious traffic.
### Metadata
| Field        | Value |
|--------------|-------|
| Name         | Spamhaus Project |
| Slug         | spamhaus-project |
| URL          | https://optimly.ai/brand/spamhaus-project |
| BAI Score    | 92/100 |
| Archetype    | Challenger |
| Category     | Cybersecurity |
| Last Analyzed | April 11, 2026 |
| Last Updated | 2026-04-24T16:08:13.117Z |
### Verified Facts
- Founded: 1998
- Headquarters: Geneva, Switzerland
### Also Referenced By
- Ad Hoc Blacklistswhitelists (https://optimly.ai/brand/ad-hoc-blacklistswhitelists)
### Buyer Intent Signals
#### Problems this brand solves
- Manual Postmaster Filtering: Internally managed blocklists or manually updated Postfix/Exim configuration files.
- Standard MTAs (Defaults): Relying on built-in basic filtering from mail server software without external reputation data.
#### Buyers search for
- best free IP blocklist for postfix
- what is the SBL blocklist
- how to check if IP is blacklisted for spam
- reputable DNSBL providers
- enterprise email security platform reviews
- Generic Threat Intel Hubs: Using generic threat intelligence feeds that include IPs but aren't specific to email reputation.
### Links
- Canonical page: https://optimly.ai/brand/spamhaus-project
- JSON endpoint: /brand/spamhaus-project.json
- LLMs.txt: /brand/spamhaus-project/llms.txt