JavaScript Libraries and Functions
Email Hosting Providers

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

Sender IDSender ID

Sender ID Usage Statistics · Download List of All Websites using Sender ID

Sender ID is an anti-spoofing email framework heavily based on SPF.

Standard

Web Hosting Providers

WebsupportWebsupport

Websupport Usage Statistics · Download List of All Websites using Websupport

Network infrastructure from Websupport based in Slovakia.