Yup, IMAP is powerful, but it's gathered some baggage over the years. Switchboard uses a simplified interface based on JMAP[1] for client's and workers, which

Yup, IMAP is powerful, but it's gathered some baggage over the years. Switchboard uses a simplified interface based on JMAP[1] for client's and workers, which it does proxy into IMAP commands. One of the conveniences of Switchboard is it manages the IMAP connections: restarting them as they fail and allowing concurrent access. [1] http://jmap.io/ http://jmap.io/