EmailArray / PolarisMail mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), EmailArray / PolarisMail is the mailbox provider for 63 domains — 0.01% of 675,489 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 63 domains in the Tranco top-1M use EmailArray / PolarisMail (0.01% of domains with MX records).
- Snapshot date: 2026-09-24 — recomputed every day.
- Strongest TLD: .com (46.0% of its domains).
- Region skew: Global / US-skewed.
- Most co-used service: SendGrid (Twilio).
- Directory category: mailbox provider.
Why EmailArray / PolarisMail appears in this category
EmailArray / PolarisMail hosted business email platform using mx.emailarray.com and mx2.emailarray.com.
We classify it as a mailbox provider 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.
What the data shows
87.3% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. Its single largest TLD is .com at 46.0% of its domains — a strong concentration across 16 TLDs overall. The service most often seen alongside it is SendGrid (Twilio) (ESP), on 7.9% of its domains.
Where EmailArray / PolarisMail 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 | 6 | 9.5% |
| Top 1,000,000 | 55 | 87.3% |
| Unranked | 2 | 3.2% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 29 | 46.0% | |
| .com.br | 12 | 19.0% | |
| .id | 4 | 6.3% | |
| .uy | 3 | 4.8% | |
| .net | 3 | 4.8% | |
| .bg | 2 | 3.2% | |
| .com.au | 1 | 1.6% | |
| .pt | 1 | 1.6% | |
| .app | 1 | 1.6% | |
| .co.id | 1 | 1.6% |
What EmailArray / PolarisMail users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 63 domains.
| Type | Service | Domains | Share of EmailArray / PolarisMail users |
|---|---|---|---|
| ESP | SendGrid (Twilio) | 5 | 7.9% |
| ESP | Amazon SES | 5 | 7.9% |
| ESP | SMTP2GO | 3 | 4.8% |
| ESP | Mailchimp | 3 | 4.8% |
| ESP | Mailgun | 2 | 3.2% |
| ESP | Zendesk | 2 | 3.2% |
| ESP | Mailjet (Sinch) | 2 | 3.2% |
| ESP | Mandrill | 2 | 3.2% |
| ESP | All-In Mail | 2 | 3.2% |
| ESP | MailChannels | 1 | 1.6% |
See the full EmailArray / PolarisMail data page (KPI cards, trend, sample domains) →
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Frequently asked questions
How many domains use EmailArray / PolarisMail?
63 domains in the Tranco top-1M use EmailArray / PolarisMail as their mailbox provider as of September 24, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is EmailArray / PolarisMail common enough to affect email deliverability testing?
EmailArray / PolarisMail 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 EmailArray / PolarisMail most?
EmailArray / PolarisMail's largest TLD is .com (46.0% of its domains); it appears across 16 TLDs in total.