Free Mail Server Software for Windows Networks
Update: Sep 7, 2026 · 11 apps reviewed
Free mail server software for Windows gives small teams and self-hosters control over email hosting, routing, and delivery without paying for a hosted platform. The strongest options handle SMTP, POP3, and IMAP reliably, while also offering spam filtering, user management, TLS encryption, and clear logs for troubleshooting. Choosing well means balancing ease of setup against the features you actually need, especially if you plan to run multiple domains or connect to existing directory services. Good tools make mail administration predictable, secure, and easy to monitor from a Windows environment. Explore top picks for Windows.
Top programs about Free Mailserver For Windows
- Editor's Choice3.5
5 reviews
602LAN SUITE is a free program only available for Windows, belonging to the category Communication software with subcategory Email (more specifically Email Servers).
- 4.5
smtp4dev is a free utility designed for Windows that provides a fake SMTP email server, specifically tailored for development and testing purposes. This tool…
- 4.5
smtp4dev is a free utility for Windows that functions as a simulated SMTP server, specifically designed to assist developers in testing email functionalities within…
- 4.9
1st SMTP Server is a simple and agile SMTP mail server designed for outgoing mail purposes. By utilizing this tool, users can eliminate the…
- 2.6
13 reviews
PostCast Server Free Edition is a free Windows software, that is part of the category Communication software with subcategory Email (more specifically Email Servers).…
- 3.4
63 reviews
ArGoSoft Mail Server is a good, free Windows software, belonging to the category Communication software with subcategory Email (more specifically Email Servers).
- 4.9
Cigati Maildir Converter is a free Windows program developed by Cigati Solutions. It falls under the category of File managers, offering users a straightforward…
