Sendsay email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), Sendsay is the email service provider (ESP) for 651 domains — 0.10% of 631,089 SPF-publishing domains. Its strongest TLD is .ru (73.9% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-11 DNS snapshot.
What Sendsay represents in this dataset
Sendsay — Russian email marketing platform with surveys + automation.
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.
What the 2026-09-11 snapshot shows about Sendsay
Across 54 distinct TLDs its top three are .ru (73.9%), .com (10.3%), .online (1.5%) — together 85.7% of the 651 domains, which makes the footprint narrow — three TLDs cover most of it, which is typical of a regional or single-market operator. The service most often observed on the same domains is Self-Hosted (Mailbox, 194 domains, 29.8% of them), followed by Yandex 360 (27.2%). 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 (2026-09-11); 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.
Commonly used together with Sendsay
What else the same 651 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of Sendsay users |
|---|---|---|---|
| Mailbox | Self-Hosted | 194 | 29.8% |
| Mailbox | Yandex 360 | 177 | 27.2% |
| Mailbox | Mail.ru for Business | 52 | 8.0% |
| Mailbox | Google Workspace | 51 | 7.8% |
| Mailbox | Unknown / Other | 49 | 7.5% |
| Mailbox | Generic / unmatched (mx*.*) | 39 | 6.0% |
| ESP | Unisender (RU) | 165 | 25.3% |
| ESP | SendPulse | 70 | 10.8% |
| ESP | Mailgun | 68 | 10.4% |
| ESP | Mindbox | 52 | 8.0% |
TLD distribution (top 30 of 54)
Frequently asked questions
How many domains use Sendsay?
651 domains in the Tranco top-1M use Sendsay as their email service provider (ESP) as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is Sendsay's market share?
Sendsay holds 0.10% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.
What are the biggest alternatives to Sendsay?
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 2026-09-11).
Largest email service provider (ESP)s in this category
Amazon SES (6.17%) · SendGrid (Twilio) (4.63%) · Mailgun (4.00%) · Zendesk (3.76%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.10%) · Salesforce (2.54%) · Mailjet (Sinch) (2.12%) · Cloudflare Email Routing (1.93%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 651 domains.