IMAP SASL SASL AUTH OAUTH2 SASL-IR RFC6749 RFC7628 # # Server-side AUTH OAUTHBEARER CAPA SASL-IR REPLY AUTHENTICATE A002 OK AUTHENTICATE completed From: me@somewhere To: fake@nowhere body -- yours sincerely # # Client-side imap IMAP OAuth 2.0 (OAUTH2BEARER) authentication with initial response 'imap://%HOSTIP:%IMAPPORT/843/;UID=1' -u user --oauth2-bearer mF_9.B5f-4.1JqM # # Verify data after the test has been "shot" A001 CAPABILITY A002 AUTHENTICATE OAUTHBEARER dXNlcj11c2VyAWhvc3Q9MTI3LjAuMC4xAXBvcnQ9OTAwMwFhdXRoPUJlYXJlciBtRl85LkI1Zi00LjFKcU0BAQ== A003 SELECT 843 A004 FETCH 1 BODY[] A005 LOGOUT