Hi, list, Jonathan Gallimore and I have been working on the OAuth2 authentication implementation [1] that was added since JavaMail 1.5.2 [2] for the geronimo JavaMail provider module [3]. We created a new JIRA [4] and we expect to send a first PR in the upcoming weeks.
[1] https://developers.google.com/gmail/imap/xoauth2-protocol [2] https://eclipse-ee4j.github.io/mail/OAuth2 [3] https://github.com/apache/geronimo-javamail [4] https://issues.apache.org/jira/browse/GERONIMO-6780 -- Atentamente: César Hernández.