MailChannels email provider statistics and deliverability context
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According to Live Direct Marketing's daily Tranco top-1M scan (September 10, 2026), MailChannels is the email service provider (ESP) for 6,455 domains — 1.02% of 632,322 SPF-publishing domains. Over the last 30 days its share declined by 0.06 pp. Its strongest TLD is .com (54.3% of its domains). Detection: include: mechanisms in the SPF record.
Last updated from the 2026-09-10 DNS snapshot.
What MailChannels represents in this dataset
Canadian outbound relay used by Cloudflare and many hosting providers.
Directory category: Forwarder. The classification comes from include: mechanisms in the SPF record. It describes observed DNS infrastructure, not a commercial relationship and not the placement of any individual message.
What the 2026-09-10 snapshot shows about MailChannels
Across 229 distinct TLDs its top three are .com (54.3%), .org (8.5%), .net (5.5%) — together 68.2% of the 6,455 domains, which makes the footprint moderately concentrated, with a recognisable home market. The service most often observed on the same domains is Self-Hosted (Mailbox, 2,495 domains, 38.7% of them), followed by Google Workspace (14.1%). Its share of SPF-publishing domains moved -0.06 pp in 30 days, a change larger than list churn alone explains. Directly comparable by the same detection rule: Amazon SES, SendGrid (Twilio), Mailgun. Ranking between them reflects what is published in DNS, not delivery quality or volume sent. All figures come from a single daily DNS snapshot (2026-09-10); a domain appears here when its published records match the include: mechanisms in the SPF record rule, which is an infrastructure fact, not a commercial relationship.
Commonly used together with MailChannels
What else the same 6,455 domains use — cross-tabulated from the same daily snapshot (2026-09-10).
| Type | Service | Domains | Share of MailChannels users |
|---|---|---|---|
| Mailbox | Self-Hosted | 2,495 | 38.7% |
| Mailbox | Google Workspace | 911 | 14.1% |
| Mailbox | MailChannels | 858 | 13.3% |
| Mailbox | Microsoft 365 | 669 | 10.4% |
| Mailbox | Unknown / Other | 339 | 5.3% |
| Mailbox | DreamHost | 312 | 4.8% |
| ESP | SpamExperts (AntiSpamCloud) | 264 | 4.1% |
| ESP | Amazon SES | 259 | 4.0% |
| ESP | SendGrid (Twilio) | 235 | 3.6% |
| ESP | Mailchimp | 228 | 3.5% |
TLD distribution (top 30 of 229)
Frequently asked questions
How many domains use MailChannels?
6,455 domains in the Tranco top-1M use MailChannels as their email service provider (ESP) as of September 10, 2026, according to Live Direct Marketing's daily DNS scan.
What is MailChannels's market share?
MailChannels holds 1.02% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-10). The number is recomputed every day.
Is MailChannels growing or declining?
MailChannels's share declined by 0.06 percentage points over the last 30 days (as of September 10, 2026).
What are the biggest alternatives to MailChannels?
The largest email service provider (ESP)s in the same category by Tranco top-1M share are: Amazon SES, SendGrid (Twilio), Mailgun, Zendesk, Mailchimp (as of 2026-09-10).
Largest email service provider (ESP)s in this category
Amazon SES (6.15%) · SendGrid (Twilio) (4.62%) · Mailgun (4.00%) · Zendesk (3.75%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.09%) · Salesforce (2.54%) · Mailjet (Sinch) (2.11%) · Cloudflare Email Routing (1.93%)
Domain sample (top 100 by Tranco rank)
Showing 100 of 6,455 domains.