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