The Spam and Open Relay Blocking System (SORBS) SOCKS blacklist lists host servers configured as a SOCKS proxy server.
- Listings occur at the IP address level.
- The impact on deliverability is low.
Reasons for getting listed
Your IP address may be listed if you are sending or relaying spam from servers:
- Configured as a SOCKS open proxy: A server not typically used for email that has been hijacked to send spam.
How to get off this blacklist
Fix your server that is configured as a SOCKS open proxy and follow the retest instructions listed on the Sorbs website.
Tips for staying off this blacklist
- Make sure your servers are properly configured and have no SOCKS open proxies