45Blacklist wikiAdditional · 45/55
relays.nether.net
Nether Open Relays
Nether's relay list identifies mail servers configured as open relays — servers that will forward email from any sender to any recipient without authentication.
Tier
Additional
Impact
Low-Medium — Open relays are a serious security issue and listed on multiple blacklists.
Auto-expiry
Does not auto-expire. Fix configuration and request removal.
What it lists
Mail servers configured as open relays.
How to get delisted
- 01Test your mail server for open relay status using online tools
- 02Configure your mail server to only relay for authenticated users or authorized domains
- 03Disable relaying for unauthenticated connections
- 04Test again to confirm the relay is closed
- 05Contact Nether for removal after fixing the configuration
Open the removal formhttps://www.nether.net/