Looking for a MailerSend 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 account approval process, no EU jurisdiction.
Why switch from MailerSend?
- MailerSend does not accept cryptocurrency — credit card required even for the free plan
- Lithuanian company (MailerLite group) — EU jurisdiction, GDPR applies
- KYC required at signup, plus a manual account approval process that can be slow
- Recent changes worsened the free tier — Hobby plan converted to $7/month, forcing upgrades
- Automated account suspensions at low spam complaint thresholds with no clear warning
- Free plan limited to 500 emails/month with only 1 domain
KingSMTP vs MailerSend
| Feature | KingSMTP | MailerSend |
|---|---|---|
| Free trial | 7 days, no credit card | 500 emails/month (credit card required) |
| Crypto payment | Yes (BTC, USDT, XMR) | No |
| KYC required | No | Yes + manual account approval |
| Privacy-focused | Yes — outside EU/US | No — EU jurisdiction (Lithuania) |
| Starting price | $49/year | $7/month (Hobby) |
| Email routing (MX) | Yes | Yes (inbound routing) |
| WordPress plugin | Yes | Yes |
| Suspension risk | Low | High (automated) |
| Open-source infrastructure | Yes (Postal) | No |
Why developers choose KingSMTP as a MailerSend alternative
- Pay with Bitcoin or crypto — no bank, no KYC, no restrictions
- No account approval process — get started immediately after domain verification
- Privacy-first — hosted outside EU jurisdiction
- Cheaper and more predictable — $49/year with no surprise upgrades
- Free 7-day trial — no credit card needed
- 99% inbox rate — clean IPs, DKIM/SPF included
Pricing
| Monthly volume | Price per year | Price per month |
|---|---|---|
| Up to 5,000 emails | $49 / year | Annual only |
| Up to 10,000 emails Popular | $79 / year | Annual only |
| Up to 20,000 emails | $159 / year | Annual only |
| Up to 50,000 emails | $489 / year | $49 / month |
| Up to 100,000 emails | $989 / year | $99 / month |
| 100,000+ emails | Custom pricing | Custom pricing |
FAQ
Can I pay for SMTP with Bitcoin instead of credit card?
Yes. KingSMTP accepts Bitcoin, USDT, Monero and other cryptocurrencies. No credit card required.
Is KingSMTP a good MailerSend alternative?
Yes — especially if you want to pay with crypto, skip the account approval process, or want a provider outside EU jurisdiction.
Is there a free trial?
Yes — 7 days, no credit card, no KYC.
Does KingSMTP require identity verification?
No. You only need a domain to get started.