messagelabs.com vs Rackspace Email

Rackspace Email is used by more websites in our catalog: 352 use messagelabs.com and 7,491 use Rackspace Email.

messagelabs.com sites have the higher median Ahrefs Domain Rating (messagelabs.com: 58, Rackspace Email: 21).

Between 2026-06 and 2026-07, messagelabs.com went from 0.05% to 0.04% of all tracked sites, while Rackspace Email went from 0.88% to 0.85%. messagelabs.com is gaining ground faster in our index.

No. A site runs a single email host, so messagelabs.com 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.