Buy SMTP with Bitcoin

Price starts at 5 USD per month. We offer you the best price/quality on SMTP service, to send, receive and route/ forward emails. Pay with Bitcoin or USDT without KYC.

Emails /moPrice /moPrice /year
Pay with Credit card, PayPal, Bitcoin, Binance Pay or USDT TRC20. Please sign up and test our service first. Contact us or via Telegram @ Kingmailer

Sign up for free to test our SMTP service.

Clean IP address Outbound emails Inbound email routing Email dashboard WordPress SMTP plugin Email API 99.99% Uptime No-KYC No IP Leak

View your recent processed emails
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How does Kingmailer compare?

Kingmailer is 7x cheaper than Mailgun and 4x cheaper than Sendgrid

USD19.95 /moUSD5 /moUSD35 /mo
Compared with Sendgrid’s Essential Email API plan and Mailgun’s Foundation plan.

Easy to troubleshoot emails

In your Kingmailer dashboard, you can click on each email to troubleshoot. Kingmailer logs and retains data of your emails, this is very useful when you need to troubleshoot your emails.

Here are a few screenshots to give you an idea:

Incoming messages
Spam check
Spam status
Extra details of your message
Spam Check details
Spam score

This is already pre-configured in your account, give it a try.

Fast setup, easy integration

Time needed: 2 minutes

Get up and running today. Here’s what needs to get done:

  1. Activate your account

    After you sign up, check your email, click a link, and you’re done.

  2. Set up your domain

    Add a couple DNS records so we know you own the domain you claim to be sending emails from.

  3. Start sending

    You can now send, receive or route emails, using the SMTP credentials or HTTP API.


Can I buy SMTP here?

Yes, you can buy SMTP here.

Can I buy SMTP with Bitcoin?

Yes, you can buy SMTP with Bitcoin.

Can I buy SMTP with credit card or PayPal?

Yes, you can buy SMTP with credit card or PayPal.

Can I buy SMTP with Ethereum, Doge or other cryptocurrencies?

Yes, you can buy SMTP with Ethereum, Doge or other cryptocurrencies.

Is there a recipients limit?

Paid accounts have no recipients limit.

Is this only for Transactional SMTP emails?

Yes, only for transactional SMTP emails.

How much does SMTP cost?

You can buy SMTP monthly or yearly plan. Per month $19.99 or per year $205 (you get 15% discount).

Can I use this SMTP Service for MX routing?

Yes, you can use our SMTP service for MX routing.

Can I buy Transactional SMTP here?


Can I use this SMTP service for sending mass / bulk mail?

No, we do not offer our service for sending mass / bulk mail.

Will I have my own SMTP username and password?

Yes, after signing up, verifying your domain, your own SMTP username and password will be ready for you to use. All of your emails will be logged and easily viewed in your own email dashboard. You will also have your own Email API.

Can I use this with a WordPress SMTP plugin?

Yes. We also have our own WordPress plugin, just search Kingmailer SMTP in the WordPress directory. It works with our HTTP API.

Do I need to have a domain for this?

Yes. In order to be able to use our SMTP service, you will need to have your own domain. You will need to verify the domain and add a few DNS records (at least SPF and DKIM), before it’s good to go.

Do you offer forever free trials?

No. You can try the service for 14 days. No credit card required.

Will my emails go to the spam/junk folder?

We have a 99% inbox rate.

Can I send/receive emails in my email address?

Yes, this is possible. You will need to add our MX records to your DNS and configure routing. Don’t worry, we’ll help you with this.

Can I upload my list here and start emailing?

No. We do not provide a way for customers to upload their subscribers onto our platform. Also, we do not allow mass mail/ bulk mail newsletters.

Is it allowed to send spam?

No, we do not allow any form of spam.