Windows SMTP Server
Windows SMTP Server 1.0 is available as a free download on our software library. The default filename for the program's installer is SMTPServerGUI.exe. The most popular version among Windows SMTP Server users is 1.0. The program belongs to Internet & Network Tools. The actual developer of the free program is WinSMTPServer. Our antivirus scan shows that this download is clean. You can set up this free PC program on Windows XP/Vista/7/8/10 32-bit.
From the developer:
Since later versions of Windows (e.g. Windows 7) do not include the SMTP store-and-forward client, Windows SMTP Server application project creates a Windows service to offer similar services.
Windows SMTP Server is an easy to use application and is a freeware.
You may want to check out more software, such as Local SMTP Server Pro, Advanced SMTP Server or Free SMTP Server, which might be similar to Windows SMTP Server.