According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Amazon SES is the email service provider (ESP) for 38,362 domains — 6.21% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Amazon SES (Simple Email Service) is Amazon Web Services' transactional email platform. It enables developers and organisations to send email via the AWS API, with integrated bounce tracking, authentication support, and usage-based pricing. SES is self-service—senders build their own integrations and are responsible for their own authentication and list hygiene.
SES appears predominantly in the long tail of smaller and independent organisations rather than large enterprises, concentrated in the .com space and frequently deployed alongside Google Workspace. For inbox operators, SES represents a significant volume of distributed small-sender mail. For senders themselves, it means individual authentication compliance and list hygiene are critical, since there is no shared sender reputation across the SES customer base.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 85 | 0.2% |
| Top 10,000 | 814 | 2.1% |
| Top 100,000 | 6,625 | 17.3% |
| Top 1,000,000 | 27,926 | 72.8% |
| Unranked | 2,912 | 7.6% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 18,982 | 49.5% | |
| .org | 1,679 | 4.4% | |
| .com.br | 1,199 | 3.1% | |
| .net | 1,075 | 2.8% | |
| .de | 1,046 | 2.7% | |
| .io | 804 | 2.1% | |
| .co.uk | 785 | 2.0% | |
| .jp | 783 | 2.0% | |
| .com.au | 528 | 1.4% | |
| .co.jp | 484 | 1.3% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 38,362 domains.
| Type | Service | Domains | Share of Amazon SES users |
|---|---|---|---|
| Mailbox | Google Workspace | 14,394 | 37.5% |
| Mailbox | Microsoft 365 | 9,534 | 24.9% |
| Mailbox | Self-Hosted | 2,738 | 7.1% |
| Mailbox | Amazon WorkMail | 2,231 | 5.8% |
| Mailbox | Unknown / Other | 1,586 | 4.1% |
| Mailbox | Mimecast | 995 | 2.6% |
| ESP | Zendesk | 4,411 | 11.5% |
| ESP | SendGrid (Twilio) | 4,113 | 10.7% |
| ESP | HubSpot | 3,514 | 9.2% |
| ESP | Mailchimp | 3,267 | 8.5% |
Amazon SES does not pool or share sender reputation across its customer base; each domain maintains its own sending reputation independently. Unlike managed email platforms that aggregate trust across many customers, SES requires each sender to implement proper SPF, DKIM, and DMARC alignment and maintain clean bounce and complaint rates on their own. Mailbox providers evaluate SES-sent mail using the same authentication and engagement signals they apply to any mail server—there is no SES-specific reputation boost or penalty. Good authentication and list hygiene on SES are transparent to receivers; the sender's own practices determine deliverability entirely.
See the full Amazon SES data page (KPI cards, trend, sample domains) →
Amazon SES is AWS's transactional email service, widely used by smaller organisations and startups to send email programmatically. If your audience includes companies using Google Workspace or small-to-mid-market organisations, you will receive SES-sent mail; testing authentication and delivery against SES is recommended to ensure your systems handle the transactional mail patterns common to this sender segment.
38,362 domains in the Tranco top-1M use Amazon SES as their email service provider (ESP) as of July 13, 2026 (6.21% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Amazon SES accounts for 6.21% 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.
Amazon SES is growing — its share moved +0.03 pp over the last 30 days (as of July 13, 2026).
Amazon SES's largest TLD is .com (49.5% of its domains); it appears across 451 TLDs in total.