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.

Frameworks

Facebook Domain VerificationFacebook Domain Verification

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Domain Verification provides a way for you to claim ownership of your domain in Facebook Business Manager.

Email Hosting Providers

SendgridSendgrid

Sendgrid Usage Statistics · Download List of All Websites using Sendgrid

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.

DMARCDMARC

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A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse

DMARC

SSL Certificates

SSL by DefaultSSL by Default

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The website redirects traffic to an HTTPS/SSL version by default.