According to Live Direct Marketing's daily Tranco top-1M scan (July 25, 2026), EmailArray / PolarisMail is the mailbox provider for 66 domains — 0.01% of 671,693 domains with MX records. Detection method: primary MX record (lowest preference).
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.
75.8% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. Its single largest TLD is .com at 48.5% of its domains — a strong concentration across 14 TLDs overall. The service most often seen alongside it is Amazon SES (ESP), on 9.1% of its domains.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 3 | 4.5% |
| Top 1,000,000 | 50 | 75.8% |
| Unranked | 13 | 19.7% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 32 | 48.5% | |
| .com.br | 14 | 21.2% | |
| .uy | 4 | 6.1% | |
| .id | 4 | 6.1% | |
| .net | 3 | 4.5% | |
| .co.uk | 1 | 1.5% | |
| .com.sg | 1 | 1.5% | |
| .com.mx | 1 | 1.5% | |
| .pe | 1 | 1.5% | |
| .bg | 1 | 1.5% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 66 domains.
| Type | Service | Domains | Share of EmailArray / PolarisMail users |
|---|---|---|---|
| ESP | Amazon SES | 6 | 9.1% |
| ESP | SMTP2GO | 4 | 6.1% |
| ESP | SendGrid (Twilio) | 4 | 6.1% |
| ESP | Mandrill | 3 | 4.5% |
| ESP | Zendesk | 2 | 3.0% |
| ESP | Mailchimp | 2 | 3.0% |
| ESP | All-In Mail | 2 | 3.0% |
| ESP | MailUp | 1 | 1.5% |
| ESP | SpamExperts (AntiSpamCloud) | 1 | 1.5% |
| ESP | Mailjet (Sinch) | 1 | 1.5% |
See the full EmailArray / PolarisMail data page (KPI cards, trend, sample domains) →
66 domains in the Tranco top-1M use EmailArray / PolarisMail as their mailbox provider as of July 25, 2026 (0.01% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
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.
EmailArray / PolarisMail's largest TLD is .com (48.5% of its domains); it appears across 14 TLDs in total.