According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), Skymail (BR) is the email service provider (ESP) for 147 domains — 0.02% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
Skymail (BR) is an email service provider (ESP) primarily used by Brazilian website operators. It is detected across email infrastructure via SPF include mechanisms, indicating its role in the outbound mail configuration for its customer base.
The footprint pattern shows Skymail (BR) concentrated in the .com.br domain space and favoured by smaller to mid-sized sites rather than mega-scale properties. For deliverability professionals and email senders, this means understanding Skymail (BR)'s SPF configuration and authentication practices is relevant when evaluating mail from Brazilian sources or when Brazilian clients use it as their mail infrastructure.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.7% |
| Top 100,000 | 7 | 4.8% |
| Top 1,000,000 | 116 | 78.9% |
| Unranked | 23 | 15.6% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com.br | 120 | 81.6% | |
| .br | 17 | 11.6% | |
| .com | 8 | 5.4% | |
| .me | 1 | 0.7% | |
| .center | 1 | 0.7% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 147 domains.
| Type | Service | Domains | Share of Skymail (BR) users |
|---|---|---|---|
| Mailbox | Skymail (BR) | 101 | 68.7% |
| Mailbox | Microsoft 365 | 20 | 13.6% |
| Mailbox | Google Workspace | 15 | 10.2% |
| Mailbox | Unknown / Other | 5 | 3.4% |
| Mailbox | Self-Hosted | 3 | 2.0% |
| Mailbox | Generic / unmatched (mx*.*) | 1 | 0.7% |
| ESP | RD Station (BR) | 25 | 17.0% |
| ESP | SendGrid (Twilio) | 25 | 17.0% |
| ESP | Amazon SES | 19 | 12.9% |
| ESP | Zendesk | 6 | 4.1% |
Skymail (BR) appears in email infrastructure primarily through SPF include mechanisms, meaning senders that route mail through Skymail (BR) advertise it in their domain's SPF record. This allows mail receivers to verify that inbound messages claiming to come from a Skymail (BR) customer are authorised to send from that customer's domain, a critical step in preventing spoofing and improving deliverability.
See the full Skymail (BR) data page (KPI cards, trend, sample domains) →
If you work with Brazilian senders or recipients, Skymail (BR) is worth understanding for SPF and authentication purposes. However, as a regional player concentrated in smaller Brazilian sites, it is not typically a primary deliverability testing target for international senders.
147 domains in the Tranco top-1M use Skymail (BR) as their email service provider (ESP) as of July 13, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
Skymail (BR) accounts for 0.02% 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.
Skymail (BR)'s largest TLD is .com.br (81.6% of its domains); it appears across 5 TLDs in total.