SqualoMail email service provider (ESP)
According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), SqualoMail is the email service provider (ESP) for 89 domains — 0.01% of 637,420 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Key facts
- 89 domains in the Tranco top-1M use SqualoMail (0.01% of SPF-publishing domains).
- Snapshot date: 2026-09-24 — recomputed every day.
- Strongest TLD: .si (47.2% of its domains).
- Most co-used service: Self-Hosted.
- Directory category: email service provider.
Why SqualoMail appears in this category
Italian email-marketing and automation platform.
We classify it as a email service provider from include: mechanisms in the SPF record matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
What the data shows
92.1% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. Its single largest TLD is .si at 47.2% of its domains — a strong geographic concentration across 12 TLDs overall. The service most often seen alongside it is Self-Hosted (mailbox provider), on 37.1% of its domains.
Where SqualoMail sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 1.1% |
| Top 100,000 | 5 | 5.6% |
| Top 1,000,000 | 82 | 92.1% |
| Unranked | 1 | 1.1% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .si | 42 | 47.2% | |
| .com | 14 | 15.7% | |
| .it | 10 | 11.2% | |
| .eu | 7 | 7.9% | |
| .hr | 5 | 5.6% | |
| .net | 4 | 4.5% | |
| .ro | 2 | 2.2% | |
| .je | 1 | 1.1% | |
| .rs | 1 | 1.1% | |
| .pl | 1 | 1.1% |
What SqualoMail users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 89 domains.
| Type | Service | Domains | Share of SqualoMail users |
|---|---|---|---|
| Mailbox | Self-Hosted | 33 | 37.1% |
| Mailbox | Microsoft 365 | 25 | 28.1% |
| Mailbox | Google Workspace | 13 | 14.6% |
| Mailbox | Unknown / Other | 7 | 7.9% |
| Mailbox | Generic / unmatched (mail.*) | 4 | 4.5% |
| Mailbox | SpamExperts (SolarWinds) | 1 | 1.1% |
| ESP | Mailchimp | 9 | 10.1% |
| ESP | Mandrill | 8 | 9.0% |
| ESP | MailerLite | 8 | 9.0% |
| ESP | Brevo (ex-Sendinblue) | 6 | 6.7% |
See the full SqualoMail data page (KPI cards, trend, sample domains) →
Run a free inbox-placement test across Gmail, Outlook, Yahoo and more — see exactly where your mail lands and why.
Frequently asked questions
How many domains use SqualoMail?
89 domains in the Tranco top-1M use SqualoMail as their email service provider (ESP) as of September 24, 2026 (0.01% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Is SqualoMail common enough to affect email deliverability testing?
SqualoMail accounts for 0.01% of SPF-publishing domains in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Which countries or TLDs use SqualoMail most?
SqualoMail's largest TLD is .si (47.2% of its domains); it appears across 12 TLDs in total.