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

HornetsecurityHornetsecurity

Hornetsecurity Usage Statistics · Download List of All Websites using Hornetsecurity

German law compliant email and cloud services. Previously AntiSpam Europe.

Secure Email

Web Servers

nginxnginx

nginx Usage Statistics · Download List of All Websites using nginx

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.