OfflineIMAP

)[4] It works faster (though it is sensitive to connection's latency) and supports more advanced features than most mail clients.

[5] A special mode for better handling the non-standard implementation of IMAP in Gmail may optionally be enabled in a configuration file.

[3] OfflineIMAP is capable of filtering the folders of Remote repository, so that only partial synchronization would occur if needed.

[5] Each account has to use separate directory; otherwise the synchronization process may suffer from unexpected behavior or even data loss.

[5] OfflineIMAP provides several command-line interfaces, including interactive color curses-based, non-interactive console logging, and several yet less verbose modes.