SaaS Ranking
Menu

SaaS transparency ranking · Engineering and data

Email hosting

42 vendors · updated 2026-10-17 · 4 without enough data for a score

Business email and mailbox providers, ranked by what they publish about how they handle your data.

Public transparency score, not a product or security rating. Transparency means: published on the vendor's own site, readable without a login, found by us at the addresses we checked.

=exactly at the median of every category we measure

  • Email hosting17
  • All categories17
Median transparency score, out of 100. Email hosting sits at the median across every category we measure.
  1. A0 0%
  2. B0 0%
  3. C0 0%
  4. D2 5%
  5. E8 21%
  6. F28 74%
38 vendors with a score; 4 more without a score because we could measure too little. Bands have fixed thresholds, see how the score works.
All filters
Show only vendors where we found

Transparency band

4 without enough data for a band

42 vendors

Sort by

Narrow it down

Each of these lists the Email hosting vendors that meet one condition, with the source for each, and appears only where at least 8 of them meet it.

This category, criterion by criterion

How this market does on each criterion, with its own share and how it compares with the rest.

Every result links its source on the vendor page. A grey segment means we could not measure it, not that it is missing. See how we score.