esp
According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Sendsay is the email service provider (ESP) for 637 domains — 0.10% of 617,702 SPF-publishing domains. Its strongest TLD is .ru (74.1% of its domains). Detection: include: mechanisms in the SPF record.
What else the same 637 domains use — cross-tabulated from the same daily snapshot (2026-07-13).
| Type | Service | Domains | Share of Sendsay users |
|---|---|---|---|
| Mailbox | Self-Hosted | 189 | 29.7% |
| Mailbox | Yandex 360 | 171 | 26.8% |
| Mailbox | Unknown / Other | 53 | 8.3% |
| Mailbox | Google Workspace | 52 | 8.2% |
| Mailbox | Mail.ru for Business | 50 | 7.8% |
| Mailbox | Generic / unmatched (mx*.*) | 36 | 5.7% |
| ESP | Unisender (RU) | 151 | 23.7% |
| ESP | SendPulse | 66 | 10.4% |
| ESP | Mailgun | 63 | 9.9% |
| ESP | Mindbox | 49 | 7.7% |
637 domains in the Tranco top-1M use Sendsay as their email service provider (ESP) as of July 13, 2026, according to Live Direct Marketing's daily DNS scan.
Sendsay holds 0.10% 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 637 domains.