Threaded Python IMAP4 client version 2.54. Based on RFC 3501 and original imaplib module. This is a version of imaplib that uses threads to allow full use of the IMAP4 concurrency features, and to de-couple a user of imaplib from i/o lags, except where explicitly allowed. Documented in imaplib2.html Install imaplib2.py into your Python library path.