GFI FAXmaker for Exchange/SMTP is the leading network fax server. It integrates with Exchange Server, Lotus Notes and popular SMTP servers, allowing users to send and receive faxes and SMS/text messages directly from their email... More client. By leveraging your email infrastructure and Active Directory, GFI FAXmaker achieves unparalleled scalability, reliability and hassle-free administration. GFI FAXmaker also allows your users to send and receive SMS messages from Outlook. GFI FAXmaker is

The award winning FaxCore fax server offers the best support for Microsoft Exchange environments. FaxCore is the first fax server to work with Exchange 2007. FaxCore does not install any software on your mail server nor does it require any Schema modifications to Active Directory in order to automatically synchronize users. FaxCore’s web interface also provides Microsoft Outlook users with the best integration and ease of use.

Imecom group's DM Fax Server solution for Microsoft Exchange gives users one central place to send, receive, and manage electronic faxes and emails together - their existing Outlook client. Fax functionality is integrated into Exchange and Outlook so that no client software is required on the end user desktops. DM Fax Server integrates with Exchange 2003, 2000 and 5.5.