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

Web Hosting Providers

SimplyTransitSimplyTransit

SimplyTransit Usage Statistics · Download List of All Websites using SimplyTransit

Maintains an IP network spanning multiple Datacentre locations around London.

UK hosting