Home / Groups / SaaS companies / Rackspace Email
Rackspace Email among SaaS companies
Rackspace Email was detected on 28 of 8,173 crawled SaaS company websites, a share of 0.3%.
Read from each domain's MX record, and for domains behind an email gateway from its SPF record, not from the homepage.
| Group | Crawled | Running Rackspace Email | Share |
|---|---|---|---|
| Inc 5000 (2026) | 4,888 | 5 | 0.1% |
| Y Combinator companies | 5,386 | n/a | n/a |
| Fortune 500 | 472 | n/a | n/a |
| Unicorns | 1,000 | n/a | n/a |
| SaaS companies | 8,173 | 28 | 0.3% |
| Tranco top 10,000 | 1,572 | <5 | <5 |
8,173 of the 9,008 SaaS domains fetched so far returned a usable record and form the denominator. 56 were counted from a rendered homepage crawl on 4 September 2026, 8,117 from a plain fetch only, and 835 returned no usable record. The list holds 55,839 domains; the rest have not been crawled yet. Company list: list of SaaS company domains. <5 means fewer than 5 crawled domains in that group. Rank 4 of the 5 Email Hosting tools published for this group.
Software used by SaaS companies · Email Hosting across all groups
Source: Installmap crawl, 4 September 2026
Badge
<a href="https://installmap.com/groups/saas/rackspace-email"><img src="https://installmap.com/badges/saas/rackspace-email.svg" alt="Rackspace Email runs on 28 of 8,173 crawled SaaS companies (0.3%)"></a>
[](https://installmap.com/groups/saas/rackspace-email)
Badge URL: https://installmap.com/badges/saas/rackspace-email.svg · all badges.
Cite this
Installmap, Rackspace Email among SaaS companies, crawl of 4 September 2026, https://installmap.com/groups/saas/rackspace-email.
Other Email Hosting tools in this group
- Google Workspace 59.3%
- Microsoft 365 21.7%
- Zoho Mail 1.3%
- GoDaddy Email 0.1%
- IONOS Mail 0.1%