MAPI Compliant
MAPI is an acronym for Message Application Program Interface. MAPI-compliant means that your email application complies with Microsoft Windows standards for connecting to other programs, email, and phone systems. Examples of MAPI-compliant email applications are Netscape Messenger, Outlook, Outlook Express, and Eudora. Examples of non-MAPI-compliant email applications are Yahoo Mail, Hotmail, Compuserve, and AOL.