KingSMTP icon
KingSMTP icon

KingSMTP

KingSMTP is a transactional SMTP relay for SaaS, forums, and e-commerce. Send email notifications reliably with a clean IP, no KYC, and crypto payments accepted — including Bitcoin and Monero.

KingSMTP screenshot 1

Cost / License

  • Subscription
  • Proprietary

Application type

Platforms

  • Online
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KingSMTP information

  • Developed by

    Kingmailer.co

  • Licensing

    Proprietary and Commercial product.

  • Pricing

    Subscription ranging between $5 and $99 per month.

  • Alternatives

    173 alternatives listed

  • Badge

    Get an embeddable badge for KingSMTP

  • Supported Languages

    • English
KingSMTP was added to AlternativeTo by Navin Poeran on and this page was last updated . KingSMTP is sometimes referred to as Kingmailer. 

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What is KingSMTP?

KingSMTP is a privacy-first transactional SMTP relay built for SaaS applications, forums, and e-commerce stores. Send transactional emails — order confirmations, password resets, notifications — with confidence.

No KYC required. Pay with Bitcoin, USDT, or Monero.

You get:

Clean/whitelisted IP address Inbound email routing Email dashboard Email API & SMTP credentials 99.99% uptime Privacy-first — no tracking, no data selling Crypto payments accepted (BTC, USDT, XMR)

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