Simple, email-based pricing

Sign up for a 14-day trial. We accept Bitcoin, Ethereum, Bitcoin Cash, Dogecoin and USD.

$11.95 /month0%
$143.40 $79 /year45%
20,000 emails per month. Unlimited recipients. For Routing & Transactional emails only. Not for sending mass mail or newsletters. Have questions? Send us an email We accept Bitcoin, Ethereum, Dogecoin, PayPal and all major cards.
Thank you for supporting small business.

How does Kingmailer compare?

$14.95 /mo$6.58 /mo$35 /mo
Pricing based on annual payments. Compared with Sendgrid’s Essential Email API plan and Mailgun’s Foundation plan.

Buy now

Select a payment option to purchase a plan.

To pay us using Bitcoin (BTC), you can click directly on one of the check out links below.

Not for sending mass / bulk mail / newsletters.

$11.95 /monthBuy now
$143.40 $79 /yearBuy now

The payment is handled by Opennode.

To pay us using Ethereum (ETH), you can deposit the payment directly into our wallet address, and we will update your account.

This is our ETH-wallet address:


To pay us using Dogecoin (DOGE), you can deposit the payment directly into our wallet address, and we will update your account.

This is our DOGE-wallet address:


We accept all major cards and also PayPal.

To pay us using one of these methods, please get in touch:

Customers who are already using Kingmailer

Have questions?

What payment methods do you accept?

We accept Bitcoin, Ethereum, Bitcoin Cash, Dogecoin, PayPal and all major credit and debit cards. Your payment information is stored and processed securely by 2Checkout and never reaches our servers.

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.

Do you accept Bitcoin, Ethereum, Bitcoin Cash or Dogecoin?


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.

Can I ask for a refund?

Yes, no problem.

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.

Is it allowed to send spam?

No, we do not allow any form of spam.

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