I am looking for SMTP server software. I would like to add an SMTP server to my machine running Windows Server 2008 R2.

Note that Windows has a built in feature I could turn on. The problem is that it needs IIS running for it to work. I do not have IIS installed on the server, as I have Apache 2.4 running instead.

What software can I use to turn SMTP server on my Windows machine?

2 Answers 2


You could give Shicks! a go:

  • Python Based
  • Free Gratis & Open Source
  • Fully RFC-compliant POP3/SMTP server for small network
  • BSD Licenced
  • Web based administration / remote access
  • Includes spam detection: Keyword detection, DNSBL (DNS-based blacklists for spammers), regular expression filtering.
  • Runs on Linux and Windows.

I would check out hMailServer. It not only add's SMTP support, but it also if wanted can support IMAP and POP3 protocols too.

hMailServer is a free, open source, e-mail server for Microsoft Windows. It's used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.

It supports the common e-mail protocols (IMAP, SMTP and POP3) and can easily be integrated with many existing web mail systems. It has flexible score-based spam protection and can attach to your virus scanner to scan all incoming and outgoing email.

There is also mailEnable Standard Edition too,

Standard Edition - Unlimited Domains/Users MailEnable Standard Edition provides robust SMTP, IMAP, POP3 and Webmail services for Microsoft Windows servers. Simple to install, with powerful administration software means that your mail server will be up and running quickly. This edition is free, contains no spyware or adware, for both personal and commercial usage, with no time or user restrictions.

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