SendCloud (China) email service provider (ESP)

According to Live Direct Marketing's daily Tranco top-1M scan (September 11, 2026), SendCloud (China) is the email service provider (ESP) for 120 domains — 0.02% of 631,089 SPF-publishing domains. Detection method: include: mechanisms in the SPF record.

Key facts

Why SendCloud (China) appears in this category

SendCloud (Sohu) — Chinese transactional email.

We classify it as a email service provider from include: mechanisms in the SPF record matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.

SendCloud (China) is an email service provider operating in the Chinese market. It is detected across internet domains primarily through SPF include mechanisms in their mail authentication records, serving as the mail delivery infrastructure for its customers.

The infrastructure footprint of SendCloud (China) is concentrated in the long tail of smaller websites rather than the largest global brands, predominantly within the .com namespace. It most often appears alongside generic or unmatched mail exchanger records. For senders and receivers, this distribution reveals that SendCloud (China) handles mail at a different operational scale and focus than the dominant global email service providers.

Where SendCloud (China) sits in the Tranco ranking

Tranco rank bandDomainsShare of its base
Top 1,00000.0%
Top 10,00032.5%
Top 100,0002722.5%
Top 1,000,0008873.3%
Unranked21.7%

Top-level domain split

TLDDomainsShare
.com7663.3%
.cn2016.7%
.net65.0%
.com.cn32.5%
.org21.7%
.io21.7%
.ai21.7%
.tech10.8%
.co.id10.8%
.icu10.8%

What SendCloud (China) users also use

Cross-tabulated from the same daily snapshot — the other email services seen on the same 120 domains.

TypeServiceDomainsShare of SendCloud (China) users
MailboxGeneric / unmatched (mx*.*)6050.0%
MailboxQQ Mail (Tencent)1915.8%
MailboxMicrosoft 365108.3%
MailboxGoogle Workspace97.5%
MailboxMailgun (inbound)32.5%
Mailbox263 Mail (CN)21.7%
ESPZendesk86.7%
ESPMailgun75.8%
ESPMandrill75.8%
ESPAmazon SES54.2%

Infrastructure Detection and Mail Server Topology

SendCloud (China) is identified in email infrastructure primarily through SPF record analysis and the patterns of mail server configurations it deploys. Its typical appearance alongside generic mail exchanger records (such as mx*.* naming patterns) indicates a particular infrastructure topology that differs from the branded mail server networks and globally distributed systems operated by larger email service providers.

See the full SendCloud (China) data page (KPI cards, trend, sample domains) →

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Frequently asked questions

What is SendCloud (China) and should I prioritise it in deliverability testing?

SendCloud (China) is an email service provider concentrated among smaller websites in the .com space, rather than the largest global brands. It should be a lower priority for deliverability testing unless your target audience specifically relies on SendCloud (China) for mail handling.

How many domains use SendCloud (China)?

120 domains in the Tranco top-1M use SendCloud (China) as their email service provider (ESP) as of September 11, 2026 (0.02% of SPF-publishing domains), according to Live Direct Marketing's daily DNS scan.

Is SendCloud (China) common enough to affect email deliverability testing?

SendCloud (China) accounts for 0.02% 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.

Which countries or TLDs use SendCloud (China) most?

SendCloud (China)'s largest TLD is .com (63.3% of its domains); it appears across 16 TLDs in total.

Other email service provider (ESP)s

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%)