Simple alternative to Mailgun
Your own SMTP mail server in seconds. For sending, receiving and routing emails.

Simple, email-based pricing
Sign up for a 14-day trial. No credit card required.
Price | Period | Discount |
---|---|---|
$11.95 | Per month | 0% |
1-Year plan | 58% | |
2-Year plan | 68% |
*After the initial period, you will be charged annual service fee at then-current prices (currently $79.00/year).

Fast setup, easy integration
Time needed: 2 minutes.
Get up and running today. Here’s what needs to get done:
- Activate your account
After you sign up, check your email, click a link, and you’re done.
- Set up your domain
Add a couple DNS records so we know you own the domain you claim to be sending emails from.
- Start sending
You can now send, receive or route emails, using the SMTP credentials or HTTP API.
Kingmailer provides everything you’ll need for sending, receiving and routing (forwarding) your emails.
Transactional Emails ✔
Bulk/Marketing allowed ✘
SMTP ✔
REST API ✔
Official libraries ✔
Community libraries ✘
Spam score checking ✔
Spam complaint handling ✔
Bounce handling ✔
Shared IPs ✔
Dedicated IPs ✔
Separate servers ✔
Pre-made email templates ✘
Template engine ✘
Inbox preview ✔
Scheduled delivery ✘
A/B testing ✘
Email address validation ✘
Inbound email processing ✔
RegEx matching on all email headers (“routes”) ✘
Chain multiple filters ✘
UTF-8 encoding ✔
Raw MIME ✔
Strip signature and quote blocks ✔
Spam filtering ✔
Delivery rates ✔
Bounce rates ✔
Open rates ✔
Click tracking ✔
Unsubscribe tracking ✘
Spam rates ✔
Full message storage ✔ (180 days /custom)
Automatic tagging ✘
Custom tagging ✔
Custom header metadata tag ✘
Custom tracking domain ✘
Geolocation data ✘
Email client and device tracking ✔
Real-time notifications ✔
SPF ✔
DKIM ✔
DMARC ✔
2FA ✘
Opportunistic TLS ✔
Enforced TLS ✔
Time to Inbox ✔
System availability API ✔
Service availability API ✔
Send more emails and spend less time managing your email infrastructure with our easy-to-use control panel and our Email API and SMTP.
Ready to start?
Start your free trial today