Stibee email provider statistics and deliverability context
← Email Stats homeesp
According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), Stibee is the email service provider (ESP) for 350 domains — 0.06% of 631,089 SPF-publishing domains. Its strongest TLD is .com (39.7% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-11 DNS snapshot.
What Stibee represents in this dataset
Stibee — Korean newsletter platform.
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 Stibee
Across 26 distinct TLDs its top three are .com (39.7%), .co.kr (23.7%), .kr (14.6%) — together 78.0% of the 350 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 Google Workspace (Mailbox, 201 domains, 57.4% of them), followed by Self-Hosted (14.9%). 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 Stibee
What else the same 350 domains use — cross-tabulated from the same daily snapshot (2026-09-11).
| Type | Service | Domains | Share of Stibee users |
|---|---|---|---|
| Mailbox | Google Workspace | 201 | 57.4% |
| Mailbox | Self-Hosted | 52 | 14.9% |
| Mailbox | Microsoft 365 | 25 | 7.1% |
| Mailbox | Unknown / Other | 16 | 4.6% |
| Mailbox | Naver Works Mobile (LINE) | 14 | 4.0% |
| Mailbox | Mailplug (KR) | 8 | 2.3% |
| ESP | Amazon SES | 70 | 20.0% |
| ESP | Zendesk | 25 | 7.1% |
| ESP | SendGrid (Twilio) | 13 | 3.7% |
| ESP | Mailgun | 13 | 3.7% |
TLD distribution (top 26 of 26)
Frequently asked questions
How many domains use Stibee?
350 domains in the Tranco top-1M use Stibee as their email service provider (ESP) as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.
What is Stibee's market share?
Stibee holds 0.06% 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 Stibee?
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 350 domains.