15Blacklist wikiWidely used · 15/55
multi.surbl.org
SURBL
SURBL (Spam URI Realtime Block List) is unique — it lists domains found in spam message bodies rather than sending IP addresses. If your domain appears in spam emails, it may be listed on SURBL.
Tier
Widely used
Impact
High — Used by many content-based spam filters. A listing means your domain URLs in emails trigger spam filters.
Auto-expiry
Does not auto-expire. Requires manual false-positive submission.
What it lists
Domains (not IPs) that appear in the body/URLs of spam messages.
How to get delisted
- 01Use the SURBL analysis tool to check if your domain is listed
- 02Determine how your domain ended up in spam messages (compromised site, affiliate abuse, etc.)
- 03Resolve the underlying issue
- 04Submit a false-positive report if you believe the listing is in error
- 05SURBL reviews removal requests manually
Open the removal formhttps://www.surbl.org/surbl-analysis