According to Live Direct Marketing's daily Tranco top-1M scan (July 13, 2026), MailChannels is the mailbox provider for 1,022 domains — 0.16% of 658,711 domains with MX records. Detection method: primary MX record (lowest preference).
MailChannels is a mailbox provider operating email infrastructure for domains identified across the Tranco top-1M list. It serves a distributed customer base of smaller organisations rather than dominant Tier-1 brands, concentrated primarily in the .com namespace and across global and US markets. MailChannels operates as an independent mailbox provider, maintaining its own servers, reputation systems, and authentication policies separate from consumer-grade email giants.
For senders and deliverability professionals, MailChannels represents a critical but often overlooked segment of the real-world mailbox landscape. Small organisations hosting email with MailChannels are genuine recipients in any global sender's audience, yet the provider operates independently from Gmail, Outlook, and other household names. This means authentication enforcement, spam filtering, and reputation scoring at MailChannels-hosted inboxes follow their own logic. Effective email programme management requires testing and monitoring across these independent providers, not assuming that Tier-1 best practices translate automatically to clean delivery everywhere.
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 2 | 0.2% |
| Top 100,000 | 42 | 4.1% |
| Top 1,000,000 | 754 | 73.8% |
| Unranked | 224 | 21.9% |
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 574 | 56.2% | |
| .org | 140 | 13.7% | |
| .net | 79 | 7.7% | |
| .com.br | 17 | 1.7% | |
| .ca | 11 | 1.1% | |
| .cz | 10 | 1.0% | |
| .io | 9 | 0.9% | |
| .com.ar | 9 | 0.9% | |
| .mx | 7 | 0.7% | |
| .info | 6 | 0.6% |
Cross-tabulated from the same daily snapshot — the other email services seen on the same 1,022 domains.
| Type | Service | Domains | Share of MailChannels users |
|---|---|---|---|
| ESP | MailChannels | 847 | 82.9% |
| ESP | Amazon SES | 31 | 3.0% |
| ESP | Mailchimp | 26 | 2.5% |
| ESP | Mailgun | 24 | 2.3% |
| ESP | MailerSend | 15 | 1.5% |
| ESP | Mandrill | 12 | 1.2% |
| ESP | Brevo (ex-Sendinblue) | 11 | 1.1% |
| ESP | SendGrid (Twilio) | 10 | 1.0% |
| ESP | SparkPost | 8 | 0.8% |
| ESP | Mailjet (Sinch) | 7 | 0.7% |
Smaller mailbox providers like MailChannels implement their own authentication validation, sender reputation algorithms, and spam detection rules. A sender may pass strict DKIM/SPF/DMARC checks at Gmail yet face stricter or looser policies at MailChannels, depending on that provider's scoring logic and filter configuration. Testing against real MailChannels-hosted recipients exposes gaps in your sending practices and authentication posture that Tier-1 testing alone would miss, ensuring your domain reputation and infrastructure work across the fragmented ecosystem rather than just the incumbents.
See the full MailChannels data page (KPI cards, trend, sample domains) →
Yes. MailChannels hosts real recipients in the Tranco top-1M domain set; smaller organisations use it for their email infrastructure. Including MailChannels in your testing harness ensures your sender reputation, authentication stack, and sending behaviour work across independent mailbox providers, not just Tier-1 giants.
1,022 domains in the Tranco top-1M use MailChannels as their mailbox provider as of July 13, 2026 (0.16% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
MailChannels accounts for 0.16% 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.
MailChannels's largest TLD is .com (56.2% of its domains); it appears across 97 TLDs in total.