KingSMTP is a transactional SMTP relay for SaaS, forums, and e-commerce. Send email notifications reliably with a clean IP, no KYC, and crypto payments accepted — including Bitcoin and Monero.




SMTP2GO is described as 'Email service provider, performing the task of reliably delivering transactional and marketing emails, and providing reporting tools to track and visualize what is happening with outgoing emails' and is an website in the office & productivity category. There are more than 25 alternatives to SMTP2GO, not only websites but also apps for a variety of platforms, including SaaS, Windows, iPhone and Self-Hosted apps. The best SMTP2GO alternative is Mailchimp, which is free. Other great sites and apps similar to SMTP2GO are Mailgun, Sendgrid, SMTP.com and Audienceful.
KingSMTP is a transactional SMTP relay for SaaS, forums, and e-commerce. Send email notifications reliably with a clean IP, no KYC, and crypto payments accepted — including Bitcoin and Monero.




JangoSMTP lets you send transactional emails via SMTP or API. It's the first transactional email service to offer open and click tracking.




All in one email delivery platform that includes an SMTP Relay, API, and a full suite of tools via the browser based UI.
Postmark is a fast and reliable transactional email service. Send with Postmark to ensure your transactional emails get to the inbox on time, every time.

Straightforward SMTP email delivery. Sendamatic was created for those who need to send high volume, high quality transactional emails at an economical price.

Platformly is a powerful yet easy to use business management and marketing automation tool for busy business owners who are focused on growth.






The most performant email delivery service—whether your app or website sends hundreds, or billions, of messages.
Mailazy is an intuitive and simple email platform that delivers. It offers high deliverability rates, customer-focused support, and prices that won’t drain your budget.







Motorical is an independent, privacy-focused email infrastructure platform for developers. It combines the control of self-hosting with the ease of SaaS, featuring isolated SMTP credentials, an interactive API playground, and 100% EU-based hosting.




it has more granular configuration support!