Skymail (BR) mailbox provider

According to Live Direct Marketing's daily Tranco top-1M scan (September 14, 2026), Skymail (BR) is the mailbox provider for 117 domains — 0.02% of 674,487 domains with MX records. Detection method: primary MX record (lowest preference).

Key facts

Why Skymail (BR) appears in this category

Brazilian corporate mail provider (SkyOne).

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.

Skymail (BR) is a mailbox provider appearing as the primary MX record for a portion of domains in the Tranco top-1 million, concentrated in the .com.br namespace and serving primarily the Brazilian market. It operates as a regional email hosting service rather than a global platform.

The distribution pattern—concentrated in the long tail of smaller sites rather than major international brands—signals that both recipients and senders in the Skymail (BR) ecosystem tend toward smaller businesses and regional organisations. For anyone sending to or receiving from Brazilian addresses, understanding Skymail (BR)'s presence and its authentication standards is essential to ensure deliverability and avoid filtering issues.

Where Skymail (BR) sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00000.0%
Top 100,00076.0%
Top 1,000,00011094.0%
Unranked00.0%

Top-level domain split

TLDDomainsShare
.com.br9581.2%
.br1210.3%
.com65.1%
.me10.9%
.net10.9%
.cl10.9%
.pt10.9%

What Skymail (BR) users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 117 domains.

TypeServiceDomainsShare of Skymail (BR) users
ESPSkymail (BR)10589.7%
ESPSendGrid (Twilio)2117.9%
ESPRD Station (BR)2117.9%
ESPAmazon SES2017.1%
ESPAll-In Mail32.6%
ESPMailgun21.7%
ESPMailchimp21.7%
ESPZendesk21.7%
ESPMailerSend21.7%
ESPSendPulse21.7%

Skymail (BR) in the Brazilian email landscape

Skymail (BR) serves a long-tail distribution of smaller Brazilian sites, making it an important part of the country's email ecosystem despite not ranking among the largest global providers. Senders targeting Brazilian recipients should test delivery against Skymail (BR); its position in the smaller-site segment means it processes different sender authentication patterns and reputation signals than major international platforms, which can inform deliverability strategy.

See the full Skymail (BR) data page (KPI cards, trend, sample domains) →

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Frequently asked questions

Should I test email deliverability against Skymail (BR)?

Yes, if your recipient base includes Brazilian users. Testing against Skymail (BR) alongside Gmail and Outlook provides regional delivery insight; as a regional provider concentrated in the long tail, it may handle authentication and filtering differently than global platforms.

How many domains use Skymail (BR)?

117 domains in the Tranco top-1M use Skymail (BR) as their mailbox provider as of September 14, 2026 (0.02% of domains with MX records), according to Live Direct Marketing's daily DNS scan.

Is Skymail (BR) common enough to affect email deliverability testing?

Skymail (BR) accounts for 0.02% 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 Skymail (BR) most?

Skymail (BR)'s largest TLD is .com.br (81.2% of its domains); it appears across 7 TLDs in total.

Other mailbox providers

Self-Hosted (22.46%)Google Workspace (21.60%)Microsoft 365 (16.95%)Unknown / Other (6.60%)Generic / unmatched (mx*.*) (2.54%)Generic / unmatched (mail.*) (1.94%)Proofpoint (1.86%)Cloudflare Email Routing (1.76%)Yandex 360 (1.62%)Mimecast (1.46%)