SaaS Ranking

Certifications named in Email hosting

Naming SOC 2 or ISO 27001 publicly is the low bar; not naming them is a signal.

2 of 16 vendors we measured here publish it, that is 13%. Last checked 2026-09-03.

13% here against 29% across every category we measure. Email hosting sits below the overall share for this criterion.

Back to Certifications named across all categories, or to Email hosting.

Published

SOC 2 or ISO 27001 named on a public page.

VendorWhat we found
Gandi https://www.gandi.net/en/security
Rackspace https://www.rackspace.com/compliance

No named certification found.

We reached at least one address for each of these vendors and none of them carried it. That is what we found at the addresses we checked, on the date we checked them, and not a statement about what the vendor has.

VendorWhat we found
Alfahosting 6 addresses checked
All-Inkl 6 addresses checked
Biohost 6 addresses checked
df.eu 6 addresses checked
Fastmail 6 addresses checked
Greensta 6 addresses checked
Grommunio 6 addresses checked
Hushmail 6 addresses checked
Kolab 6 addresses checked
Mailu 6 addresses checked
Posteo 6 addresses checked
Stalwart 6 addresses checked
Strato 6 addresses checked
Yandex 360 6 addresses checked

Not measured

We could not look at these, or their robots.txt asks us not to. That says something about our measurement, not about them, and they are left out of the percentage above.

VendorWhat we found
Bluehost Mail The vendor’s server blocked or rate-limited our crawler, so this was not measured.

Found something we missed? Tell us and the next run picks it up.