IMAP SASL SASL AUTH EXTERNAL RFC4422 # # Server-side AUTH EXTERNAL REPLY AUTHENTICATE + REPLY dXNlcg== A002 OK AUTHENTICATE completed From: me@somewhere To: fake@nowhere body -- yours sincerely # # Client-side imap IMAP external authentication 'imap://user;AUTH=EXTERNAL@%HOSTIP:%IMAPPORT/837/;UID=1' # # Verify data after the test has been "shot" A001 CAPABILITY A002 AUTHENTICATE EXTERNAL dXNlcg== A003 SELECT 837 A004 FETCH 1 BODY[] A005 LOGOUT