esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), SmartEmailing is the email service provider (ESP) for 405 domains — 0.07% of 617,702 SPF-publishing domains. Its strongest TLD is .cz (66.7% of its domains). Detection: include: mechanisms in the SPF record.
What else the same 405 domains use — cross-tabulated from the same daily snapshot (2026-07-13).
| Type | Service | Domains | Share of SmartEmailing users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 118 | 29.1% |
| Mailbox | Google Workspace | 80 | 19.8% |
| Mailbox | Self-Hosted | 62 | 15.3% |
| Mailbox | Unknown / Other | 54 | 13.3% |
| Mailbox | Seznam.cz (Czech) | 15 | 3.7% |
| Mailbox | Generic / unmatched (mx*.*) | 14 | 3.5% |
| ESP | Mailchimp | 33 | 8.1% |
| ESP | SparkPost | 32 | 7.9% |
| ESP | Heureka Mailing (CZ) | 22 | 5.4% |
| ESP | Mandrill | 15 | 3.7% |
405 domains in the Tranco top-1M use SmartEmailing as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
SmartEmailing holds 0.07% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-07-13). The number is recomputed every day.
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 2026-07-13).
Amazon SES (6.21%) · SendGrid (Twilio) (4.76%) · Mailgun (4.11%) · Zendesk (3.86%) · Mailchimp (3.69%) · Mandrill (3.36%) · HubSpot (3.18%) · Salesforce (2.62%) · Mailjet (Sinch) (2.13%) · Cloudflare Email Routing (1.80%)
Showing 100 of 405 domains.