Body-link domain reputation (SURBL/URIBL)
Reputation & Blocklists · High priority
What it is
Domains in your message body/links are checked against SURBL and URIBL. A blacklisted link can tank an otherwise-clean message.
How to fix it
Remove links to listed domains; avoid risky link shorteners and shared tracking domains.
Check your email
See how your real email scores on this and every other deliverability factor.