0spam RBL
rbl.0spam.org
Operated by 0spam.org
Avg removal time
24–72 hours
This blacklist affects deliverability at a subset of mail servers. Still worth resolving.
About 0spam RBL
0spam.org operates a family of blocklists aimed at catching spam at various levels. The rbl zone is their primary IP-based blocklist for spam sources detected through their monitoring network.
Why am I listed?
IPs are listed based on spam detected through 0spam's network of spam traps and participating mail servers. The list covers direct spam senders.
How to get delisted
Follow these steps in order to request removal from 0spam RBL.
- 1
Check your listing status at 0spam.org.
- 2
Stop spam activity from the IP and investigate the root cause.
- 3
Submit a removal request via the 0spam website.
- 4
Ensure proper mail authentication (SPF, DKIM, DMARC) is configured.
- 5
Listings may expire automatically over time with clean sending.
Check if you're listed on 0spam RBL
Run a free check and get instant results across all 60 blacklists — no account required.