According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), All-In Mail is the email service provider (ESP) for 229 domains — 0.04% of 617,702 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.
All-In Mail is an email service provider (ESP) concentrated in the Brazilian market. It functions as an SMTP relay and mail delivery platform, typically handling transactional or campaign messages for mid-market and smaller organisations in the .com.br ecosystem.
For deliverability practitioners, All-In Mail signals smaller senders concentrated in Brazil, often deployed alongside Microsoft 365 to provide complementary transmission whilst Exchange Online manages primary corporate messaging. This positions the platform as a distinct reputation tier within Brazilian email infrastructure, with filtering behaviour distinct from global tier-1 ESPs.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 1 | 0.4% |
| Top 100,000 | 29 | 12.7% |
| Top 1,000,000 | 175 | 76.4% |
| Unranked | 24 | 10.5% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com.br | 199 | 86.9% | |
| .com | 13 | 5.7% | |
| .br | 12 | 5.2% | |
| .cl | 1 | 0.4% | |
| .com.co | 1 | 0.4% | |
| .tech | 1 | 0.4% | |
| .io | 1 | 0.4% | |
| .net | 1 | 0.4% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 229 domains.
| Type | Service | Domains | Share of All-In Mail users |
|---|---|---|---|
| Mailbox | Microsoft 365 | 82 | 35.8% |
| Mailbox | Google Workspace | 72 | 31.4% |
| Mailbox | Locaweb (BR) | 17 | 7.4% |
| Mailbox | Self-Hosted | 14 | 6.1% |
| Mailbox | Unknown / Other | 9 | 3.9% |
| Mailbox | Generic / unmatched (mx*.*) | 8 | 3.5% |
| ESP | Amazon SES | 53 | 23.1% |
| ESP | Zendesk | 39 | 17.0% |
| ESP | SendGrid (Twilio) | 37 | 16.2% |
| ESP | Locaweb (BR) | 25 | 10.9% |
Because All-In Mail's user base is considerably smaller than that of major global ESPs, the reputation impact of individual senders is more acute. An account with poor authentication, high complaint rates, or weak engagement signals can more directly influence the platform's standing with mailbox providers. Administrators should prioritise SPF, DKIM, and DMARC validation, closely monitor feedback loops, and maintain rigorous list hygiene, understanding that their account's behaviour has proportionally greater impact on All-In Mail's overall reputation.
See the full All-In Mail data page (KPI cards, trend, sample domains) →
If your recipient base includes Brazilian audiences or you send via All-In Mail directly, yes—include its authentication and filtering behaviour in testing. For globally distributed senders, it ranks below major global ESPs and ISP providers in audit priority.
229 domains in the Tranco top-1M use All-In Mail as their email service provider (ESP) as of July 13, 2026 (0.04% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.
All-In Mail accounts for 0.04% 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.
All-In Mail's largest TLD is .com.br (86.9% of its domains); it appears across 8 TLDs in total.