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

StratoStrato

Strato Usage Statistics · Download List of All Websites using Strato

German based hosting solution owned by Deutsche Telekom.

German hosting

Operating Systems and Servers