internetmailserver.net vs Rackspace Email

Rackspace Email is used by more websites in our catalog: 142 use internetmailserver.net and 7,491 use Rackspace Email.

Rackspace Email sites have the higher median Ahrefs Domain Rating (internetmailserver.net: 21, Rackspace Email: 21).

Between 2026-06 and 2026-07, internetmailserver.net went from 0.02% to 0.02% of all tracked sites, while Rackspace Email went from 0.88% to 0.85%. internetmailserver.net is gaining ground faster in our index.

No. A site runs a single email host, so internetmailserver.net and Rackspace Email are mutually exclusive.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.