Listed on Spamhaus SBL? How to get delisted
sbl.spamhaus.org
What a listing means
The SBL lists IP addresses Spamhaus has verified as sources of spam or spam support services. Listings are created by people, not automation.
How removal works
Stop the spam source first. Then use the Spamhaus checker; SBL removals usually need the network owner (your hosting or connectivity provider) to confirm the problem is fixed.
Before you request removal
- Confirm the listing with ProbeKit’s blacklist check and note every list that shows the IP or domain.
- Find the cause: compromised mailbox passwords, malware on a device, an open relay or open proxy, a misbehaving web form, or sending to purchased or stale lists.
- Fix it, and make sure the IP has a proper reverse DNS (PTR) name and that SPF, DKIM and DMARC pass for your mail.
- Use the list operator’s removal process. Requesting removal before fixing the cause usually gets the IP relisted.
- Re-check after a day, and add a blacklist monitor so you hear about the next listing before your users do.
Check your IP or domain now
Type a domain, IP, email or URL and pick a check, or a prefix like Pick a check, or type a prefix like spf: · press / to search
Blacklist check · Reverse DNS · SMTP test · Guide: “550 5.7.1 … Spamhaus”