ImprovMX vs mailsecurity.io

ImprovMX is used by more websites in our catalog: 867 use ImprovMX and 131 use mailsecurity.io.

ImprovMX sites have the higher median Ahrefs Domain Rating (ImprovMX: 23, mailsecurity.io: 13).

Between 2026-06 and 2026-07, ImprovMX went from 0.12% to 0.10% of all tracked sites, while mailsecurity.io went from 0.02% to 0.01%. mailsecurity.io is gaining ground faster in our index.

No. A site runs a single email host, so ImprovMX and mailsecurity.io 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.