Blacklist wiki · Retired
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).
- Zone
- Additional
- Tier
- Author
At a glance
- Zone
- relays.nether.net
- Tier
- Additional. Smaller or specialist lists with a narrower reach. Lower impact on its own, but worth clearing; a scan reports a listing here as information.
- What it lists
- Mail servers configured as open relays.
- Impact
- Low-Medium: open relays are a serious security issue and listed on multiple blacklists.
- How to check
- Nothing to check: the zone no longer answers queries.
- How to delist
- No need: a list that has shut down holds no listings.
- Auto-expiry
- Does not auto-expire. Fix configuration and request removal.
How to get delisted
Kept for reference: this list no longer operates.
- 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