Returns the mail system (or systems) installed on the host machine. Can be one of the following WdMailSystem constants: wdMAPI, wdMAPIandPowerTalk, wdPowerTalk, or wdNoMailSystem. Read-only Long.
Remarks
Some of the constants listed above are available only in Microsoft Office 98 Macintosh Edition. For additional information about these constants, consult the language reference Help included with Microsoft Office 98 Macintosh Edition.