SPFBL DNSBL
dnsbl.spfbl.net
Operated by SPFBL.net
Avg removal time
24–48 hours
This blacklist affects deliverability at a subset of mail servers. Still worth resolving.
About SPFBL DNSBL
SPFBL.net operates a blocklist focused on IPs that fail SPF checks or send email from domains without proper SPF records, in addition to traditional spam detection.
Why am I listed?
IPs are listed based on a combination of SPF failure patterns, spam trap activity, and sending behavior analysis. IPs sending email that consistently fails SPF validation are prioritized.
How to get delisted
Follow these steps in order to request removal from SPFBL DNSBL.
- 1
Check your listing at spfbl.net.
- 2
Ensure your domain has a valid SPF record.
- 3
Fix any mail server configuration issues causing SPF failures.
- 4
Submit a removal request through the SPFBL website.
- 5
Ensure DKIM and DMARC are also properly configured.
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