iCoreMail email provider statistics and deliverability context

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According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), iCoreMail is the email service provider (ESP) for 345 domains — 0.05% of 631,089 SPF-publishing domains. Its strongest TLD is .cn (50.7% of its domains). Detection: include: mechanisms in the SPF record.

Last updated from the 2026-09-11 DNS snapshot.

345domains
0.05%of SPF-publishing domains
15distinct TLDs
2026-09-11snapshot (updated daily)

What iCoreMail represents in this dataset

iCoreMail — Indian email marketing platform.

Directory category: Esp. 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 2026-09-11 snapshot shows about iCoreMail

Across 15 distinct TLDs its top three are .cn (50.7%), .com (34.2%), .com.cn (9.0%) — together 93.9% of the 345 domains, which makes the footprint narrow — three TLDs cover most of it, which is typical of a regional or single-market operator. The service most often observed on the same domains is Unknown / Other (Mailbox, 145 domains, 42.0% of them), followed by Self-Hosted (30.7%). 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 (2026-09-11); 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 iCoreMail

What else the same 345 domains use — cross-tabulated from the same daily snapshot (2026-09-11).

TypeServiceDomainsShare of iCoreMail users
MailboxUnknown / Other14542.0%
MailboxSelf-Hosted10630.7%
MailboxGeneric / unmatched (mx*.*)8023.2%
MailboxGeneric / unmatched (mail.*)41.2%
MailboxQQ Mail (Tencent)20.6%
MailboxGoogle Workspace20.6%
ESPMandrill41.2%
ESPMailgun20.6%
ESPZendesk20.6%
ESPHubSpot10.3%

TLD distribution (top 15 of 15)

cn — 175 (50.7%)
com — 118 (34.2%)
com.cn — 31 (9.0%)
net — 8 (2.3%)
id — 3 (0.9%)
tech — 1 (0.3%)
ltd — 1 (0.3%)
co — 1 (0.3%)
pe — 1 (0.3%)
edu — 1 (0.3%)
fm — 1 (0.3%)
ai — 1 (0.3%)
cc — 1 (0.3%)
io — 1 (0.3%)
im — 1 (0.3%)

Frequently asked questions

How many domains use iCoreMail?

345 domains in the Tranco top-1M use iCoreMail as their email service provider (ESP) as of September 11, 2026, according to Live Direct Marketing's daily DNS scan.

What is iCoreMail's market share?

iCoreMail holds 0.05% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-11). The number is recomputed every day.

What are the biggest alternatives to iCoreMail?

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 2026-09-11).

Largest email service provider (ESP)s in this category

Amazon SES (6.17%) · SendGrid (Twilio) (4.63%) · Mailgun (4.00%) · Zendesk (3.76%) · Mailchimp (3.56%) · Mandrill (3.24%) · HubSpot (3.10%) · Salesforce (2.54%) · Mailjet (Sinch) (2.12%) · Cloudflare Email Routing (1.93%)

ESP / mailing services portfolio → · Full daily report →

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Domain sample (top 100 by Tranco rank)

Showing 100 of 345 domains.