Email security gateway with phishing protection, spam filtering, and DMARC enforcement.

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Phishing Protection

AI-powered detection of impersonation and spear-phishing

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Spam Filtering

99.5% spam catch rate with near-zero false positives

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DMARC Enforcement

Prevent domain spoofing with strict DMARC policy

Analyze a Suspicious Email

Paste the raw email headers (from "Show Original" in your mail client) below. MailShield will verify SPF, DKIM, and DMARC alignment.

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Risk score: —

SPF

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DKIM

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DMARC

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MailShield Gateway for Your Domain

MX-relay deployment, custom quarantine policies, and impersonation rule packs. We provision your tenant within 24 hours.

We respond within 2 business hours