Have I Been PwnedHave I Been Pwned

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Domain ownership verification for haveibeenpwned provides site owners with access to reports of email addresses associated with there domain found in data breaches.

Email Hosting Providers

AppRiverAppRiver

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Email and web security services, providing Microsoft 365, secure exchange hosting and spam/virus protection.

Secure Email

SendgridSendgrid

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SendGrid's cloud-based email infrastructure provides businesses with email delivery management.

Transactional Email

SPFSPF

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The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.