Rackspace Email vs stackmail.com

Rackspace Email is used by more websites in our catalog: 7,491 use Rackspace Email and 2,434 use stackmail.com.

Rackspace Email sites have the higher median Ahrefs Domain Rating (Rackspace Email: 21, stackmail.com: 17).

Between 2026-06 and 2026-07, Rackspace Email went from 0.88% to 0.85% of all tracked sites, while stackmail.com went from 0.35% to 0.28%. Rackspace Email is gaining ground faster in our index.

No. A site runs a single email host, so Rackspace Email and stackmail.com 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.