Blacklist & Spam Score Checker
Check if your domain or IP address is listed on major spam blacklists. Identify deliverability issues and protect your sender reputation.
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Spam Score
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Why Blacklists Matter
📧 Email Deliverability
If your mail server IP is on a blacklist, emails sent from your domain are likely to land in spam or be rejected entirely by Gmail, Outlook, and Yahoo.
🏠 Shared Hosting Risk
On cheap shared hosting, you share an IP with hundreds of other websites. If any neighbor sends spam, your IP gets blacklisted too — even if you did nothing wrong.
🛡️ Brand Reputation
Blacklisted domains lose customer trust. Transaction emails (invoices, receipts, confirmations) silently disappear, leading to lost revenue and support tickets.