KNOW THE GOOD FROM THE BAD
The DNS Whitelist (DNSWL) is the leading provider of reputation information of known good email senders. Used by over 100,000 companies and organizations to improve their inbound email-filtering solutions
DNS Whitelist – A feed with multiple advantages
IP Reputation for Email – The DNS Whitelist contains over 600,000 entries of good mail servers, including a growing amount of IPv6 entries, allowing customers to reduce the risk of false positives by publishing the outgoing IP addresses of mail servers in different trust levels. To learn more about DNSWL, visit their website.
| Trust Level | Description |
| High | Highly unlikely to send spam |
| Medium | Rare spam occurrences |
| Low | Occasional spam occurrences |
| None | These are legitimate mail servers but have not yet been associated with a trust level – proceed with standard filtering practices. |
MXTools is DNSWL’s exclusive global reseller
MXTools is the exclusive reseller of the DNS Whitelist, servicing close to 1,000 DNSWL clients around the world. With MXTools you get unmatched levels of Email infrastructure and anti-spam knowledge and 24/7 support to help make sure your email filtering solutions are providing maximum protection. Learn more about MXTools