Zimbra can connect to Mail, Hotmail, Gmail, Yahoo, and a number of other third-party email hosts. One feature that sets Zimbra apart is its ability to connect to social networking sites, such as Facebook and Twitter. Although you won’t be connecting Zimbra to an Exchange server with ease (there are reports that it is possible, though), you can connect Zimbra to a host of other services. Zimbra Desktop ( Figure B) is a unique take on the desktop email client. Plus, it is possible to connect Thunderbird to Exchange. With its user-friendly tabbed interface, Thunderbird makes working within the realm of digital communications simple. Thunderbird is also one of the more stable email clients available, and it’s cross platform. It benefits from the strength of Firefox, provides plenty of add-ons, includes a great migration assistant, offers a powerful address book, makes use of an attachment reminder, and has plenty of built in security features. Thunderbird ( Figure A) is one of the best of the alternative email clients.

Note: This list is also available as a photo gallery. Let’s take a look at a few of these alternatives and see what they have to offer. Even businesses that do have Exchange may use an alternative to connect to a groupware server.

For them, there are plenty of alternatives to Outlook. But not all businesses (especially small businesses) employ Exchange. It also allows the sharing of things like calendars and contacts. It connects to Exchange, which allows businesses to determine many aspects of how and what their users can manage, use, and control. Outlook is, hands-down, the most popular email client among the business set. If you're looking for an email client to replace Outlook, you're in luck: Many solid alternatives are available. Five top alternatives to Microsoft Outlook

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