Chaos Intellect

Chaos !ntellect (or Intellect) is a comprehensive business e-mail client, with calendar, tasks and a very well designed contacts manager.

It is fully networkable and it can be used to share a database with similar clients. A great feature here is that all the users can use the same database at the same time, without having access problems or being locked out.
The contacts manager keeps a complete history of e-mails, appointments or tasks assigned to every contact that makes it very useful for project management. Everything related to a certain contact can be found in contact history options, giving !ntellect a significant advantage over Microsoft Outlook, where finding e-mails from a certain contact could be a tricky task.
It synchronizes data with Mobile phones, supporting Blackberry, Android, Windows Mobile, and iPhone keeping on the go users up to date with e-mails meetings or tasks.
Chaos !ntellect supports POP3, IMAP, and SMTP protocols, including SSL and SPA for secure connections. E-mails can be sent as plain text or HTML, and Microsoft Word templates can be used as well to create letters. E-mails can be also sent according to a specific time schedule, a very useful feature for marketing.
A spam filter and spell checking options complete the feature list of this interesting e-mail client.
Data export is also available, the backup can be stored on local machine or on the network.
Overall Chaos !ntellect is a good and reliable e-mail client and contact manager, for both business and casual users.