Long: oauth2-bearer Help: OAuth 2 Bearer Token Arg: Protocols: IMAP POP3 SMTP --- Specify the Bearer Token for OAUTH 2.0 server authentication. The Bearer Token is used in conjunction with the user name which can be specified as part of the --url or --user options. The Bearer Token and user name are formatted according to RFC 6750. If this option is used several times, the last one will be used.