Frameworks

Facebook Domain VerificationFacebook Domain Verification

Facebook Domain Verification Usage Statistics · Download List of All Websites using Facebook Domain Verification

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

Email Hosting Providers

Amazon SESAmazon SES

Amazon SES Usage Statistics · Download List of All Websites using Amazon SES

Amazon Simple Email Service (Amazon SES) is a scalable, bulk, transactional email-sending service for businesses and developers.

Transactional Email

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

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

Standard