Mindbox email service provider (ESP)
According to Live Direct Marketing's daily Tranco top-1M scan (September 12, 2026), Mindbox is the email service provider (ESP) for 620 domains — 0.10% of 629,828 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Key facts
- 620 domains in the Tranco top-1M use Mindbox (0.10% of SPF-publishing domains).
- Snapshot date: 2026-09-12 — recomputed every day.
- Strongest TLD: .ru (76.8% of its domains).
- Most co-used service: Yandex 360.
- Directory category: email service provider.
Why Mindbox appears in this category
Mindbox — Russian CDP + email/SMS/push marketing automation.
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.
Mindbox is an email service provider operated by a Russian vendor, serving email infrastructure for mid-market and smaller businesses concentrated in Russian-language domains.
For deliverability professionals, Mindbox's long-tail footprint means it appears less frequently in reputation monitoring than major ESPs. Its frequent pairing with Yandex 360 signals a shared customer base in regional markets; email teams should recognise this provider when assessing authentication patterns across .ru domains.
Where Mindbox sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 2 | 0.3% |
| Top 10,000 | 21 | 3.4% |
| Top 100,000 | 142 | 22.9% |
| Top 1,000,000 | 454 | 73.2% |
| Unranked | 1 | 0.2% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .ru | 476 | 76.8% | |
| .com | 63 | 10.2% | |
| .by | 15 | 2.4% | |
| .kz | 11 | 1.8% | |
| .net | 4 | 0.6% | |
| .io | 4 | 0.6% | |
| .su | 3 | 0.5% | |
| .org | 3 | 0.5% | |
| .tech | 3 | 0.5% | |
| .online | 2 | 0.3% |
What Mindbox users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 620 domains.
| Type | Service | Domains | Share of Mindbox users |
|---|---|---|---|
| Mailbox | Yandex 360 | 170 | 27.4% |
| Mailbox | Self-Hosted | 160 | 25.8% |
| Mailbox | Unknown / Other | 79 | 12.7% |
| Mailbox | Google Workspace | 64 | 10.3% |
| Mailbox | Mail.ru for Business | 42 | 6.8% |
| Mailbox | Generic / unmatched (mx*.*) | 41 | 6.6% |
| ESP | Unisender (RU) | 128 | 20.6% |
| ESP | Sendsay | 54 | 8.7% |
| ESP | Amazon SES | 40 | 6.5% |
| ESP | SendPulse | 39 | 6.3% |
SPF analysis and long-tail provider discovery
Mindbox is detected primarily through SPF include analysis on smaller domains, rather than appearing in mainstream reputation monitoring. Email teams auditing authentication patterns in the .ru space often encounter it first through direct SPF inspection, where centralised reputation tools remain silent.
See the full Mindbox data page (KPI cards, trend, sample domains) →
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Frequently asked questions
Should I test my email deliverability against Mindbox?
Mindbox serves a regional, long-tail customer base concentrated in Russian domains, so include it in deliverability testing only if your audience overlaps with .ru markets or Russian-language business sectors. For most global senders, mainstream ESPs and major mailbox providers offer higher priority.
How many domains use Mindbox?
620 domains in the Tranco top-1M use Mindbox as their email service provider (ESP) as of September 12, 2026 (0.10% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Is Mindbox common enough to affect email deliverability testing?
Mindbox accounts for 0.10% 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 Mindbox most?
Mindbox's largest TLD is .ru (76.8% of its domains); it appears across 39 TLDs in total.