Kingmailer Alternatives (January 2026)

Kingmailer

Buy SMTP with Bitcoin - King SMTP

https://www.kingmaile.co/

Buy SMTP service. 99% Inbox. Free to test. Best price/quality SMTP offer. Buy with Bitcoin. Send, receive, route/forward emails.

4.3/5

32+ reviews

Reviewed on:

G2
Capterra
Getapp
1.
SMTP Email Relay Services - SMTP.com | SMTP.com
https://www.smt
.com/

SMTP email relay service that is powerful, secured and reliable. Send better transactional emails and integrate easily with our email API.

2.
SMTPServer: Send Unlimited Emails | Email Delivery Service
https://smtpserve
.com/

Send bulk, transactional, & marketing emails with our easy-to-use and reliable SMTP. Check the quality of email and improve delivery. Get started for free!

3.
SMTP2GO: Reliable & Scalable Email Delivery Service
https://www.smtp2g
.com/

SMTP2GO is the scalable, reliable email deliverability solution. Worldwide servers, a robust API, and powerful reporting set us apart. Try our free plan!

4.
Mailtinni | SMTP
https://mailtinn
.com/

Email delivery, perfected with Mailtinni! 💌 Your new SMTP service: fast, reliable, highly secure. 🚀

5.
SMTP Server for Reliable Email Delivery Services - Inboxroad
https://www.inboxroa
.com/

Boost your email deliverability and engagement with Inboxroad. Our comprehensive solutions and expert guidance ensure your messages reach the inbox - Inboxroad

6.
Transactional Emails Made Easy. API and SMTP Relay Sending.
https://jangosmt
.com/

JangoSMTP - Transactional Emails Made Easy. Highest Inbox Results. Live US-Based Support. API and SMTP Relay Sending.

7.
turboSMTP mail server - Professional SMTP Service Provider
https://serversmt
.com/

Send your Transactional and marketing Emails safely, track your results and use powerful APIs designed for devolopers by developers. Try for free

8.
Lightning fast email delivery powered by AI | SMTP & Email API
https://mailaz
.com/

Integrate in minutes and send transactional emails via our REST API or SMTP. Scale with our reliable global infrastructure and deliver emails to your customer's inbox instantly.

9.
SendPost Transactional Email API & SMTP Relay
https://app.sendpos
.io/

Email API and SMTP relay to not just send and measure email sending, but also alert and optimise. We provide you with tools, expertise and support needed to reliably deliver emails to your customers inboxes on time, every time.