17Blacklist wikiWidely used · 17/55
black.uribl.com
URIBL Black
URIBL Black is the most aggressive URIBL sub-list, containing domains with the strongest spam associations. Being listed here has significant impact on email deliverability.
Tier
Widely used
Impact
High — The strictest URIBL list. Many filters block emails containing domains from this list.
Auto-expiry
Does not auto-expire. Manual removal with evidence required.
What it lists
Domains with strong, confirmed associations with spam email content.
How to get delisted
- 01Check your domain at lookup.uribl.com
- 02If listed on URIBL Black, the spam association is considered strong
- 03Thoroughly investigate and resolve all abuse issues
- 04Submit a removal request with detailed evidence of remediation
- 05Be prepared for a longer review process
Open the removal formhttps://lookup.uribl.com/