According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Amadeus is the SaaS sender for 162 domains — 0.03% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Amadeus is a SaaS platform that transmits email on behalf of customer domains. Organisations using Amadeus authorise it as a mail sender by adding an SPF include to their domain's DNS records, making it part of the email authentication and delivery infrastructure.
Data from mail infrastructure analysis across the top-1M websites shows that Amadeus adoption is concentrated in the long tail of smaller organisations, predominantly in the .com namespace, and frequently paired with Microsoft 365 deployments. This distribution pattern affects authentication policy design, sender reputation scoring, and how mail infrastructure is mapped and audited.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 5 | 3.1% |
| Top 100,000 | 43 | 26.5% |
| Top 1,000,000 | 107 | 66.0% |
| Unranked | 7 | 4.3% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 80 | 49.4% | |
| .de | 11 | 6.8% | |
| .hu | 4 | 2.5% | |
| .ro | 4 | 2.5% | |
| .org | 3 | 1.9% | |
| .co.il | 3 | 1.9% | |
| .pl | 3 | 1.9% | |
| .co.za | 3 | 1.9% | |
| .fr | 3 | 1.9% | |
| .es | 3 | 1.9% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 162 domains.
| Type | Service | Domains | Share of Amadeus users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 74 | 45.7% |
| Mailbox | Google Workspace | 27 | 16.7% |
| Mailbox | Unknown / Other | 16 | 9.9% |
| Mailbox | Self-Hosted | 12 | 7.4% |
| Mailbox | Proofpoint | 12 | 7.4% |
| Mailbox | Mimecast | 11 | 6.8% |
When a domain uses Amadeus to send mail, Amadeus appears as an SPF include in that domain's DNS record. Because Amadeus adoption concentrates in the long tail of smaller and mid-market organisations rather than the largest enterprises, it is a common sight in infrastructure audits and reputation analysis at that scale. Administrators investigating SPF chains, sender reputation systems, or mail routing behaviour in small-to-mid-market segments will encounter Amadeus regularly.
See the full Amadeus data page (KPI cards, trend, sample domains) →
Amadeus is a third-party email transmission platform used by smaller and mid-market organisations to send mail from their domains. It is authorised via SPF records and is commonly found in <code>.com</code>-space deployments, often running alongside Microsoft 365.
162 domains in the Tranco top-1M use Amadeus as their SaaS sender as of July 13, 2026 (0.03% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Amadeus accounts for 0.03% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Amadeus's largest TLD is .com (49.4% of its domains); it appears across 46 TLDs in total.