hMailServer 5.6

Free Email server supporting IMAP, POP3 and SMTP protocols
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Software Informer Editor Rating 4 Software Informer Virus Free award
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Free   3.9 MB

hMailServer is an email server that runs on Windows operating systems. This server supports various email protocols, including IMAP, POP3 and SMTP, which makes it compatible with most email clients. Likewise, it allows various ways to store configuration and index data. In this respect, it comes with its own MS SQL Compact Edition engine that does not require additional installations; however, you may also connect to MySQL, MS SQL or PostgreSQL databases if you prefer.

This product is not intended for the common user, which explains the difficulties, particularly in configuring the server. Luckily, there is a very good support as well as development forums to answer any question that may appear in the process. Moreover, it is good that configuring MySQL or Microsoft SQL databases can be done from a graphic user interface instead of the command line, which makes it much easier to do.

There are various advantages of using hMailServer. First, it is light and very stable. In this respect, it supports hosting multiple domains and a huge flow of messages. Second, it comes with various convenient features intended to keep your data secure. For instance, user accounts are virtual, which means that they do not have real access to the server. Likewise, it blocks people from using the server for email relaying. What is more, it has its own firewall to prevent unauthorized connections. more

PC Senior editor
Pedro Castro
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Review summary


  • Supports various email protocols
  • Compatible with various database types
  • Light and stable
  • Several security features
  • Detects unwanted or dangerous mail
  • Built-in automatic backup and restore


  • Not many collaboration features

Comments (2)

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I give it 4/5. I was in need of testing and wanted a free, thin, and lightweight email server that I could test with. I had it set up and working in about 20 minutes with no problems, whatsoever. It is pretty powerful for a FREE email server. I have used paid products that lack some features this offers and are harder to manage. It's no Exchange, but simple to use. Worked great for my test VM and I'd use it again in test.

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