Email Hosting Providers

MimecastMimecast

Mimecast Usage Statistics · Download List of All Websites using Mimecast

Cloud services for Microsoft Exchange designed to remove risk, lower costs and help businesses make sense of their email data.

Business Email Hosting

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

Google Apps for BusinessGoogle Apps for Business

Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business

Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite From Google Cloud.

Business Email Hosting