mx.microsoft vs Proton Mail

Proton Mail is used by more websites in our catalog: 334 use mx.microsoft and 1,505 use Proton Mail.

mx.microsoft sites have the higher median Ahrefs Domain Rating (mx.microsoft: 71, Proton Mail: 30).

Between 2026-06 and 2026-07, mx.microsoft went from 0.05% to 0.04% of all tracked sites, while Proton Mail went from 0.21% to 0.17%. mx.microsoft is gaining ground faster in our index.

No. A site runs a single email host, so mx.microsoft and Proton Mail 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.