Domain Reputation
Is the domain blocklisted, newly registered, or associated with disposable email providers? Domain age and blocklist presence heavily influence the score.
Email Risk Score
Enter any email address to get a normalized risk score (200–1000). Higher scores indicate greater risk, with a full breakdown of contributing factors.
Free trial · 1,000 credits · No credit card required
Email Insights · Free Email Risk Score
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Activate Email Insights for automated risk scoring, batch analysis, and API integration.
- Access to Email and IP Insights
- Pre-built workflows and SDKs included
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Explainable risk scores you can deploy in minutes.
What Is an Email Risk Score?
Think of it as a credit score for email addresses. A low score (200–300) means the address is trustworthy. A high score (800–1000) means something is wrong: the domain may be disposable, blocklisted, or configured to enable spoofing.
Email Insights analyses dozens of signals in real time and distills them into a normalized score (200–1000). The higher the number, the greater the risk. Each score comes with an Explainable Risk Report that breaks down exactly which signals contributed, so you never have to guess why an address was flagged.
Risk Score Scale (200–1000)
200–300
Lowest
Highly trustworthy. No risk indicators detected. The address appears valid and deliverable.
301–400
Low
Generally safe. Minor signals detected but nothing actionable.
401–600
Medium
Moderate concern. One or more signals suggest the address deserves closer inspection.
601–800
High
Risky. Multiple negative signals detected. Consider additional verification steps.
801–1000
Highest
Very high risk. The address is likely disposable, blocklisted, or undeliverable.
14-day free trial. No credit card required. Includes 1,000 free credits.
Risk Signals
What Signals Contribute to the Risk Score?
Email Insights evaluates multiple independent signals and combines them into a single score. Each signal is weighted based on its predictive value for deliverability and trust risk.
Deliverability Status
Can the mailbox actually receive mail? Undeliverable addresses indicate abandoned, fake, or misconfigured accounts and raise the risk score.
Email Type Classification
Disposable, free, or private domain? Disposable and temporary inboxes carry significantly more risk than established business domains.
DNS and Authentication
SPF, DKIM, and DMARC configuration reveal whether a domain is set up to prevent spoofing or is vulnerable to impersonation attacks.
Spoofing Risk Assessment
Weak or missing authentication records make it easy for bad actors to forge messages from a domain, signalling higher risk.
Mailbox Behaviour Patterns
Catch-all configurations, full mailboxes, and role-based addresses (info@, support@) each carry distinct risk profiles that affect the final score.
14-day free trial. No credit card required. Includes 1,000 free credits.
Who Uses Email Risk Scoring?
From registration forms to bulk list hygiene, risk scores help businesses make faster, more confident decisions about the email addresses they encounter. Learn more in our guide to email risk scoring.
Developers Checking Sign-ups
Identify risky accounts at the source
Integrate risk scoring into registration flows via API. Surface high-risk addresses for your team's review before they consume resources or degrade data quality.
- Set score thresholds per endpoint or product tier
- Route risky sign-ups to secondary verification
- Log scores for retrospective fraud analysis
Marketers Cleaning Lists
Protect sender reputation
Score every address in your list before a campaign launch. Remove high-risk entries that would bounce, trigger spam traps, or dilute engagement metrics.
- Batch-score entire lists before major sends
- Suppress addresses above your risk threshold
- Track list health improvements over time
Security Teams Auditing Accounts
Surface compromised or synthetic identities
Run periodic risk assessments against your user database. Identify accounts tied to disposable domains, blocklisted infrastructure, or spoofing-prone configurations.
- Schedule recurring audits on active accounts
- Escalate score changes to incident response
- Correlate risk scores with login anomalies
14-day free trial. No credit card required. Includes 1,000 free credits.
Related Resources
Explore more email validation and risk intelligence tools.
Guide
What Is an Email Risk Score?
Learn how risk scoring protects your sender reputation and helps segment email lists by trust level.
Free ToolFree Email Checker
Validate format, deliverability, and disposable status for any email address.
Free ToolFake Email Checker
Detect disposable, temporary, and throwaway email addresses instantly.
ProductEmail Insights API
Production-ready email validation with risk scoring, domain enrichment, and batch processing.
14-day free trial. No credit card required. Includes 1,000 free credits.
Frequently asked questions
What is an email risk score?
An email risk score is a normalized score (200–1000) that evaluates how trustworthy an email address appears based on deliverability, domain reputation, and configuration signals. A lower score indicates a trustworthy address, while a higher score signals potential problems such as blocklisted domains, spoofing vulnerabilities, or temporary inboxes.
How is the email risk score calculated?
The score is calculated by evaluating multiple independent signals including domain reputation, deliverability status, email type (disposable, free, or business/corporate), DNS authentication records (SPF, DKIM, DMARC), and mailbox behaviour patterns. Each signal is weighted based on its predictive value for deliverability and trust risk.
What do the risk levels mean?
There are five risk levels: Lowest (200-300) means highly trustworthy. Low (301-400) means generally safe with minor signals. Medium (401-600) indicates moderate concern worth inspecting. High (601-800) means multiple negative signals detected. Highest (801-1000) means very high risk, likely disposable, blocklisted, or undeliverable.
How can I use email risk scores in my application?
You can integrate risk scoring into registration flows, email list cleaning workflows, or account auditing processes via the Email Insights API. Set thresholds that match your risk tolerance: low scores can proceed normally, medium scores can be routed for review, and high scores can be escalated for additional verification based on your team's policy.
Is this email risk score tool free to use?
Yes, the web tool is free for individual lookups. For production use with higher volumes, batch scoring, and API access, sign up for an Email Insights plan. A free tier is available with no credit card required. Visit our pricing page for current quotas and plan details.
How does email risk scoring differ from email validation?
Email validation confirms whether an address is correctly formatted and deliverable. Risk scoring goes further by evaluating the trustworthiness of the address across multiple dimensions: domain reputation, blocklist status, authentication configuration, and behavioral patterns. A valid address can still carry high risk if it belongs to a disposable provider or a domain with weak authentication.
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