Mailinblack email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 18, 2026), Mailinblack is the email service provider (ESP) for 183 domains — 0.03% of 637,944 SPF-publishing domains. Its strongest TLD is .com (44.8% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-18 DNS snapshot.
What Mailinblack represents in this dataset
Mailinblack — French email security gateway.
Directory category: Gateway. 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 2026-09-18 snapshot shows about Mailinblack
Across 13 distinct TLDs its top three are .com (44.8%), .fr (44.3%), .org (4.4%) — together 93.4% of the 183 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 Unknown / Other (Mailbox, 141 domains, 77.0% of them), followed by Microsoft 365 (9.3%). 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 (2026-09-18); 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 Mailinblack
What else the same 183 domains use — cross-tabulated from the same daily snapshot (2026-09-18).
| Type | Service | Domains | Share of Mailinblack users |
|---|---|---|---|
| Mailbox | Unknown / Other | 141 | 77.0% |
| Mailbox | Microsoft 365 | 17 | 9.3% |
| Mailbox | Generic / unmatched (mx*.*) | 8 | 4.4% |
| Mailbox | Hornetsecurity | 4 | 2.2% |
| Mailbox | Google Workspace | 2 | 1.1% |
| Mailbox | Infomaniak (CH) | 2 | 1.1% |
| ESP | Mailjet (Sinch) | 59 | 32.2% |
| ESP | Brevo (ex-Sendinblue) | 37 | 20.2% |
| ESP | SendGrid (Twilio) | 20 | 10.9% |
| ESP | Salesforce | 10 | 5.5% |
TLD distribution (top 13 of 13)
Frequently asked questions
How many domains use Mailinblack?
183 domains in the Tranco top-1M use Mailinblack as their email service provider (ESP) as of September 18, 2026, according to Live Direct Marketing's daily DNS scan.
What is Mailinblack's market share?
Mailinblack holds 0.03% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-18). The number is recomputed every day.
What are the biggest alternatives to Mailinblack?
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 2026-09-18).
Largest email service provider (ESP)s in this category
Amazon SES (6.20%) · SendGrid (Twilio) (4.65%) · Mailgun (4.01%) · Zendesk (3.76%) · Mailchimp (3.58%) · Mandrill (3.25%) · HubSpot (3.14%) · Salesforce (2.55%) · Mailjet (Sinch) (2.13%) · Cloudflare Email Routing (1.95%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 183 domains.