Microsoft Exchange alternatives

“When most businesses start out they are able to make do with a
couple of email addresses and a few shared directories to get their
daily work done.

“But as they grow in size they usually start to look for
products that will give them more features and better tools to
share emails, calendars, project notes, remote email and so on. The
most obvious solution for most companies that are already using
Windows is to set up a Microsoft Exchange server which offers all
this and more.

“There are many good reasons to install Microsoft Exchange: It
is easier for system administrators to manage email accounts, add
and delete users, keep email in a central repository as well as
enable calendars and calendar sharing. But, Microsoft Exchange is
also expensive to buy, has a finite set of features and is not open
source. Which is why many users consider open source groupware
alternatives that offer the features of Exchange without the cost
and limitations. Here we look as some of the most popular of
these.”

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