✅ Update queued — the AI is re-ranking this list. The page will refresh shortly.
This page is already up to date.
Origami SMTP is a lightweight and efficient SMTP server software that is easy to set up and configure.
Postfix is an open-source mail-transfer agent used to send, receive, and relay email on Unix-like systems. It is designed for secure, reliable...
Free, open source
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
Sendmail is a general purpose internetwork email routing facility that supports many kinds of mail-transfer and delivery methods.
Microsoft Exchange Server is a popular email and calendaring server software developed by Microsoft.
Pricing varies based on the edition and deployment model.
Microsoft SMTP Server is a mail server that allows you to send and receive emails using the Simple Mail Transfer Protocol (SMTP)....
Pricing varies based on Microsoft Exchange Server edition.
OpenSMTPD is a free and open-source server-side SMTP implementation. It aims to be simple to set up, reliable, and secure.
Your feedback helps us improve the AI rankings.
✅ Thanks for your feedback!
Suggest a product and our AI will verify it's a real alternative to Origami SMTP before adding it to the list.
