Fast, private, and reliable SMTP for businesses. Pay with Bitcoin, USDT, or Monero. No KYC required. Up and running in 2 minutes.
✓ 7-day free trial ✓ No credit card required ✓ No KYC
Built for businesses that need reliable transactional email — without the complexity or data collection of larger providers.
Clean, dedicated IP addresses and optimized sending infrastructure. Your emails reach the inbox, not the spam folder.
No KYC required. We don’t scan, sell, or analyze your emails. Pay with crypto for complete anonymity. DKIM & SPF included.
Connect in minutes via SMTP or our simple HTTP API. Works with WordPress, any CMS, and major programming languages.
Pay with Bitcoin, USDT, Monero, or other cryptocurrencies. No credit card needed, no banking restrictions.
Full visibility into every email. View delivery status, spam scores, headers, and complete SMTP transaction logs.
Real humans via email and Telegram. Fast, personal assistance for setup, troubleshooting, and deliverability questions.
Most providers scan your emails and require extensive identity verification. We don’t.
| Feature | KingSMTP | Mailgun / Mandrill |
|---|---|---|
| Privacy — no email scanning | ✓ Your data stays private | ✗ May scan or analyze |
| Crypto payments accepted | ✓ BTC, USDT, Monero | ✗ Rarely accepted |
| No KYC required | ✓ Sign up in minutes | ⚠ Identity verification required |
| Transparent pricing | ✓ No hidden fees | ⚠ Extra fees for IPs & overages |
| Dedicated support | ✓ Fast, personal support | ⚠ Often slow, ticket-based |
| Inbox deliverability | ✓ Optimized IPs, 99% inbox rate | ⚠ Shared IPs can affect delivery |
All plans include full SMTP support, high deliverability, and privacy-focused service. Billed annually.
Need more volume? Contact us for a custom plan. · 7-day free trial on all plans, no credit card required.
Create your account in minutes. No credit card required for the 7-day free trial.
Add a couple DNS records so we know you own the domain you’ll be sending from.
Use our API or SMTP credentials. WordPress plugin available in the directory.
Monitor delivery in your dashboard with full logs and spam score analysis per email.
From independent developers to growing businesses — teams that need reliable, private email delivery.
“Finally an SMTP provider that respects privacy. Setup took less than 5 minutes and deliverability has been excellent.”
“We switched from Mailgun because of the privacy issues. KingSMTP is simpler, cheaper, and doesn’t ask unnecessary questions.”
“The crypto payment option was the deciding factor for us. Professional service, great support, emails land in inbox every time.”
Join businesses worldwide that trust KingSMTP for reliable, private email delivery.
Start your free trial7 days free · No credit card required · No KYC