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K-Mailing is an email platform built around your own domains, combining professional webmail, a transactional email API, and email marketing campaigns in a single SaaS product. It is aimed both at teams that need @custom-domain mailboxes and at developers and small to mid-sized businesses sending registration confirmations, invoices, alerts, and newsletters.
In terms of channels, the current scope is email only; it does not cover SMS, voice, or IM. The webmail product supports multiple domains, multiple teams, user and alias management, and highlights a mobile-first experience, PWA support, push notifications, and real-time mail receiving. For transactional email, it provides an HTTP API, API Key authentication, service-account isolation, dynamic templates, variable validation, version management, and per-message logs. The marketing email features include contact lists, subscription forms, double opt-in, one-click unsubscribe, and a suppression list.
Pricing information is still incomplete. The site says users can start for free, with the Free plan remaining free within its quota. Future paid plans will be billed monthly or annually, with discounts for annual billing. For transactional email, users will be able to buy credit packs after exceeding the monthly quota, but payments are set to open in the coming weeks. Specific prices, free allowances, and per-credit rates have not been disclosed. Enterprise customers can contact the company for custom high-volume capacity, integration support, dedicated guidance, SLA, and contracts.
K-Mailing appears to put significant emphasis on foundational email configuration. It provides guidance for SPF, DKIM, and DMARC, supports DKIM 2048, domain TXT verification, quotas and rate limits, and log auditing, all of which can help reduce abuse and improve traceability. However, the current materials do not provide actual deliverability rates, throughput, latency, bounce-handling details, or SLA figures. On compliance, the platform prohibits spam, phishing, fraud, and similar uses, and states that emails are not read, indexed, or commercially exploited.
The main advantage is a compact product bundle: team mailboxes, transactional email, and marketing email do not need to be split across three separate services. Its multi-domain and service-account design makes it a good fit for agencies, SaaS companies, e-commerce businesses, and SMEs. The drawbacks are that monetization is not yet fully open, external SMTP/IMAP is disabled by default, the Outlook/Thunderbird experience is limited, and self-hosting plus native apps are still planned for V2.
The available materials do not provide information on accessibility from mainland China, node locations, ICP filing, or payment methods, so China access status is unknown. Domestic teams that care about reachability and RMB payments may also want to evaluate Tencent Enterprise Email, Alibaba Cloud DirectMail, or international alternatives such as SendGrid, Mailgun, Postmark, Amazon SES, Brevo, and Resend.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on kmailing.com official site.
kmailing.com is an France Comms & Email provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach kmailing.com directly.