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.

Web Hosting Providers

HKNHKN

HKN Usage Statistics · Download List of All Websites using HKN

HKN Open Cloud offers solutions to protect businesses from vendor lock-in, using selected Enterprise Open Source solutions such as OpenStack, Nextcloud, Zimbra, and Univention.

German hosting