esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 27, 2026), Mailjet (Sinch) is the email service provider (ESP) for 13,436 domains — 2.13% of 629,781 SPF-publishing domains. Over the last 30 days its share grew by 0.01 pp. Its strongest TLD is .com (41.1% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-07-27 DNS snapshot.
France-origin transactional+marketing ESP, now Sinch group.
Directory category: Esp. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
Across 300 distinct TLDs its top three are .com (41.1%), .fr (11.1%), .de (8.8%) — together 61.0% of the 13,436 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Microsoft 365 (Mailbox, 4,190 domains, 31.2% of them), followed by Google Workspace (26.2%). Its share of SPF-publishing domains moved +0.01 pp in 30 days — inside the daily noise of list rotation. Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-07-27); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
What else the same 13,436 domains use — cross-tabulated from the same daily snapshot (2026-07-27).
| Type | Service | Domains | Share of Mailjet (Sinch) users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 4,190 | 31.2% |
| Mailbox | Google Workspace | 3,523 | 26.2% |
| Mailbox | Self-Hosted | 1,257 | 9.4% |
| Mailbox | Unknown / Other | 960 | 7.1% |
| Mailbox | OVH Mail | 512 | 3.8% |
| Mailbox | Generic / unmatched (mx*.*) | 256 | 1.9% |
| ESP | Amazon SES | 1,279 | 9.5% |
| ESP | Zendesk | 1,153 | 8.6% |
| ESP | SendGrid (Twilio) | 1,005 | 7.5% |
| ESP | Mandrill | 972 | 7.2% |
13,436 domains in the Tranco top-1M use Mailjet (Sinch) as their email service provider (ESP) as of July 27, 2026, according to Live Direct Marketing's daily DNS scan.
Mailjet (Sinch) holds 2.13% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-27). The number is recomputed every day.
Mailjet (Sinch)'s share grew by 0.01 percentage points over the last 30 days (as of July 27, 2026).
The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-07-27).
Amazon SES (6.18%) · SendGrid (Twilio) (4.76%) · Mailgun (4.11%) · Zendesk (3.83%) · Mailchimp (3.70%) · Mandrill (3.36%) · HubSpot (3.20%) · Salesforce (2.62%) · Cloudflare Email Routing (1.82%) · Brevo (ex-Sendinblue) (1.45%)
Showing 100 of 13,436 domains.