Any Power Macintosh with System 7.5.3 through 9.2.2. (Pre OS 8 requires Open Transport 1.1.2 or later). Not recommended for Classic mode of OS X.
Free RAM needed: Virtual Memory on: 3.55MB; VM off: 67.5MB. Disk space: 3MB + 4K per entry.
If integrating with AppleShare: AppleShare IP 5.0 or later and the AppleShare IP Registry API extension (a shared library found on your AppleShare IP install CD-ROM).
The extension "OpenTptInternetLib" must be present in the Extensions folder. For Systems 18.104.22.168, AppleScriptLib, InterfaceLib, MathLib, and ObjectSupportLib must also be present. These are all part of your normal Mac OS. If one is missing, an alert is displayed when ClickMail is opened.
TCP/IP (Open Transport) must be properly configured.
ClickMail is designed to be accessed by LDAP-aware clients (on Mac, Windows, and Unix) such as OS X Mail, OS X 10.2 Address Book, Eudora Pro*, Outlook Express, Netscape Communicator, Mulberry, QuickMail Pro, Sherlock 2 (with plug-in), and Mac OS 9 Network Browser.
*For proper operation, use Eudora Pro 4.01 or later (http://eudora.qualcomm.com/pro_email/updaters.html )