InterMaxGroup mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), InterMaxGroup is the mailbox provider for 72 domains — 0.01% of 666,213 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 72 domains in the Tranco top-1M use InterMaxGroup (0.01% of domains with MX records).
- Snapshot date: 2026-09-11 — recomputed every day.
- Strongest TLD: .com (51.4% of its domains).
- Region skew: Global / US-skewed.
- Most co-used service: SendGrid (Twilio).
- Directory category: hosting mail bundle.
Why InterMaxGroup appears in this category
Dutch managed hosting with bundled mail (Intermax Group).
We classify it as a hosting mail bundle from primary MX record (lowest preference) matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
InterMaxGroup is a mailbox provider delivering email hosting services. Its customer base comprises smaller organisations rather than large enterprises, concentrated in the .com namespace with a global footprint and US regional bias.
For senders, InterMaxGroup's long-tail positioning means reputation is shaped by a dispersed base of smaller organisations rather than centralised major senders. The provider often appears alongside Amazon SES—suggesting its adoption among smaller operations managing their own outbound mail infrastructure. Deliverability to InterMaxGroup depends more on individual sending practices than on inherited provider-level reputation.
Where InterMaxGroup sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 0 | 0.0% |
| Top 1,000,000 | 72 | 100.0% |
| Unranked | 0 | 0.0% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 37 | 51.4% | |
| .cz | 22 | 30.6% | |
| .sk | 5 | 6.9% | |
| .eu | 2 | 2.8% | |
| .xxx | 2 | 2.8% | |
| .com.br | 1 | 1.4% | |
| .cl | 1 | 1.4% | |
| .mx | 1 | 1.4% | |
| .co | 1 | 1.4% |
What InterMaxGroup users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 72 domains.
| Type | Service | Domains | Share of InterMaxGroup users |
|---|---|---|---|
| ESP | SendGrid (Twilio) | 70 | 97.2% |
| ESP | Amazon SES | 70 | 97.2% |
| ESP | SMTP.com | 2 | 2.8% |
Distributed reputation and sender-specific deliverability
InterMaxGroup's customer base is sufficiently dispersed across smaller organisations that the provider's overall reputation carries limited predictive power for any individual sender. Deliverability depends predominantly on the sender's own authentication, list hygiene, and historical sending behaviour. For this reason, monitoring inbox placement to InterMaxGroup separately—rather than inferring it from broad provider metrics—provides more actionable feedback on sending quality.
See the full InterMaxGroup data page (KPI cards, trend, sample domains) →
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Frequently asked questions
Should I test email campaigns against InterMaxGroup?
If your recipients include smaller organisations or .com domains, test InterMaxGroup. If you target primarily large enterprises, deprioritise it.
How many domains use InterMaxGroup?
72 domains in the Tranco top-1M use InterMaxGroup as their mailbox provider as of September 11, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is InterMaxGroup common enough to affect email deliverability testing?
InterMaxGroup accounts for 0.01% of domains with MX records 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 InterMaxGroup most?
InterMaxGroup's largest TLD is .com (51.4% of its domains); it appears across 9 TLDs in total.