2 ms·
Exchange has supported IMAP, MAPI, POP, and SMTP for at least a decade. In large implementations (such as Exchange Online in Office365) they may not support so
by stephengillie 11y ago
Exchange has supported IMAP, MAPI, POP, and SMTP for at least a decade.
In large implementations (such as Exchange Online in Office365) they may not support some of those services. IMAP can be very resource intensive and bog down a CAS or storage server.