Looking for a MailChannels alternative that accepts Bitcoin or crypto? KingSMTP is one of the few transactional SMTP services where you can pay with Bitcoin, USDT or Monero — no KYC, no credit card required.
Why switch from MailChannels?
- MailChannels ended their free Cloudflare Workers integration in 2024
- Requires identity verification and credit card
- US-based — subject to US data regulations
- No cryptocurrency payment option
- Pricing not transparent for smaller senders
KingSMTP vs MailChannels
| Feature | KingSMTP | MailChannels |
|---|---|---|
| Free trial | 7 days, no credit card | No free tier |
| Payment methods | Bitcoin, USDT, Monero | Credit card only |
| KYC required | No | Yes |
| Privacy-focused | Yes — hosted outside EU/US | No — US-based |
| Starting price | $49/year | Higher, contact for pricing |
| Transactional email | Yes | Yes |
| SMTP access | Yes | Yes |
| Email routing (MX) | Yes | No |
| WordPress plugin | Yes | No |
| Open-source infrastructure | Yes (Postal) | No |
Why developers choose KingSMTP as a MailChannels alternative
- Pay with Bitcoin or crypto — no bank, no KYC, no restrictions
- Privacy-first — hosted outside EU and US jurisdiction
- Affordable — transparent pricing from $49/year
- Free 7-day trial — test before you pay
- Inbound email routing included — receive and route emails too
- 99% inbox rate — clean IPs, proper DKIM/SPF
Pricing
| Monthly volume | Price per year | Price per month |
|---|---|---|
| Up to 5,000 emails | / year | Annual only |
| Up to 10,000 emails Popular | / year | Annual only |
| Up to 20,000 emails | 9 / year | Annual only |
| Up to 50,000 emails | 9 / year | / month |
| Up to 100,000 emails | 9 / year | / month |
| 100,000+ emails | Custom pricing | Custom pricing |
FAQ
Is KingSMTP a good MailChannels alternative?
Yes. KingSMTP offers transactional SMTP with higher privacy, transparent pricing, and cryptocurrency payment options that MailChannels does not support.
Can I pay with Bitcoin?
Yes. We accept Bitcoin, USDT, Monero and other cryptocurrencies. No credit card or PayPal accepted.
Is there a free trial?
Yes — 7 days, no credit card, no KYC. Full access with up to 5 test recipients.
Does KingSMTP work with WordPress?
Yes. We have a dedicated WordPress SMTP plugin available in the WordPress plugin directory.
What email types are supported?
Transactional emails only — password resets, order confirmations, 2FA, account alerts. No marketing or bulk email.