Dear Dovecot community,
I try to migrate a GMail mailbox to Dovecot using `doveadm backup -R
imapc:`. Since it seems that GMail disabled the login without XOAUTH2, I
cannot figure out how to authenticate dovecot to GMail. Could you point
me in the right direction? Thank you in advance!
Best regards,
Jan
Here the commands and config I am using:
# dovecot --version
2.3.19.1 (9b53102964)
# doveadm -D -c gmail.conf backup -R -u user-gmail imapc:
# cat gmail.conf
!include /etc/dovecot/dovecot.conf
imapc_host=imap.gmail.com
imapc_port=993
imapc_ssl=imaps
imapc_features=rfc822.size fetch-headers gmail-migration
mail_prefetch_count=20
imapc_sasl_mechanisms=XOAUTH2 OAUTHBEARER PLAIN
rawlog_dir = /tmp/rawlog
imapc_rawlog_dir = /tmp/rawlog
imapc_user=u...@googlemail.com
imapc_password=pw
# cat /tmp/rawlog/20241118-114553.246444.1.in
1731926753.488821 * OK Gimap ready for requests from <ip> <base64>
1731926753.503819 * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA
ID XLIST CHILDREN X-GM-EXT-1 XYZZY SASL-IR AUTH=XOAUTH2 AUTH=PLAIN
AUTH=PLAIN-CLIENTTOKEN AUTH=OAUTHBEARER
1731926753.503819 1 OK Thats all she wrote! <base64>
1731926753.806967 + <base64>
# cat /tmp/rawlog/20241118-114553.246444.1.out
1731926753.488935 1 CAPABILITY
1731926753.504048 2 AUTHENTICATE XOAUTH2 <base64>
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