iCoreMail email provider statistics and deliverability context

esp

According to Live Direct Marketing's daily Tranco top-1M scan (September 24, 2026), iCoreMail is the email service provider (ESP) for 360 domains — 0.06% of 637,420 SPF-publishing domains. Its strongest TLD is .cn (51.7% of its domains). Detection: include: mechanisms in the SPF record.

Last updated from the 2026-09-24 DNS snapshot.

360domains

0.06%of SPF-publishing domains

14distinct TLDs

2026-09-24snapshot (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 2026-09-24 snapshot shows about iCoreMail

Across 14 distinct TLDs its top three are .cn (51.7%), .com (34.4%), .com.cn (8.1%) — together 94.2% of the 360 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, 150 domains, 41.7% of them), followed by Self-Hosted (30.0%). 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 (2026-09-24); 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 360 domains use — cross-tabulated from the same daily snapshot (2026-09-24).

Type	Service	Domains	Share of iCoreMail users
Mailbox	Unknown / Other	150	41.7%
Mailbox	Self-Hosted	108	30.0%
Mailbox	Generic / unmatched (mx.)	88	24.4%
Mailbox	Generic / unmatched (mail.*)	4	1.1%
Mailbox	QQ Mail (Tencent)	2	0.6%
Mailbox	Google Workspace	2	0.6%
ESP	Mandrill	4	1.1%
ESP	Zendesk	2	0.6%
ESP	Mailgun	2	0.6%
ESP	HubSpot	1	0.3%

TLD distribution (top 14 of 14)

cn — 186 (51.7%)

com — 124 (34.4%)

com.cn — 29 (8.1%)

net — 8 (2.2%)

id — 3 (0.8%)

cc — 2 (0.6%)

im — 1 (0.3%)

ltd — 1 (0.3%)

io — 1 (0.3%)

co — 1 (0.3%)

tech — 1 (0.3%)

fm — 1 (0.3%)

ai — 1 (0.3%)

edu — 1 (0.3%)

Frequently asked questions

How many domains use iCoreMail?

360 domains in the Tranco top-1M use iCoreMail as their email service provider (ESP) as of September 24, 2026, according to Live Direct Marketing's daily DNS scan.

What is iCoreMail's market share?

iCoreMail holds 0.06% of SPF-publishing domains in the Tranco top-1M (snapshot of 2026-09-24). 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 2026-09-24).

Largest email service provider (ESP)s in this category

Amazon SES (6.23%) · SendGrid (Twilio) (4.68%) · Mailgun (4.01%) · Zendesk (3.77%) · Mailchimp (3.61%) · Mandrill (3.26%) · HubSpot (3.18%) · Salesforce (2.57%) · Mailjet (Sinch) (2.14%) · Cloudflare Email Routing (1.96%)

ESP / mailing services portfolio → · Full daily report →

Your message may perform differently. Run an inbox placement test before sending through iCoreMail.

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Domain sample (top 100 by Tranco rank)

shein.com chinadaily.com.cn pku.edu.cn china.com mgtv.com mercedes-benz.com.cn zju.edu.cn oray.net fudan.edu.cncninfo.com.cnantpool.com sdu.edu.cn whu.edu.cn pbc.gov.cn sse.com.cn icoremail.net xmu.edu.cn tongji.edu.cn hust.edu.cn xjtu.edu.cn jlu.edu.cn scu.edu.cn woerxny.com bnu.edu.cn csu.edu.cn cau.edu.cn sfn.cn cecchina.com nwpu.edu.cn chinaacc.com coscoshipping.com cbn.net.id wangsu.com lzu.edu.cn xidian.edu.cn ouc.edu.cn ustb.edu.cn ynu.edu.cn cqu.edu.cn uestc.edu.cn cnpiec.com.cn dclyy.com scnu.edu.cn ncu.edu.cn shimo.im shu.edu.cn iflytek.com szu.edu.cn gzidc.com swjtu.edu.cn bjtu.edu.cn yingkelawyer.com romwe.com zzu.edu.cn snnu.edu.cn ccmu.edu.cn ccccltd.cn strongh.cn fzu.edu.cn ncepu.edu.cn sufe.edu.cn yutong.com swu.edu.cn sicau.edu.cn secpool.com bmw.com.cn cdut.edu.cn bjut.edu.cn ysu.edu.cn fcdynamics.com cupl.edu.cn szjifeng.cn penganfunds.com nudt.edu.cn quarkfinance.net gdufs.edu.cn scau.edu.cn 52tt.com caict.ac.cn cae.cn hqu.edu.cn xju.edu.cn wxnord.com xyt-tech.com lizhi.fm nbu.edu.cn shzu.edu.cn nefu.edu.cn chieful.cn sdau.edu.cn unionpayintl.com zuel.edu.cn move2shanghai.com gbvh.com sdut.edu.cn ytu.edu.cn lizhifm.com njtu.edu.cn shufe.edu.cn ahau.edu.cn

Showing 100 of 360 domains.