$ ./geary --debug
 [msg] 14:30:40 0.046393 geary-application.vala:190: Geary 0.9.1 prefix=/tmp/geary exec_dir=/home/mario/work/gnome/geary is_installed=false
No bp log location saved, using default.
[000:000] Cpu: 6.69.1, x4, 3300Mhz, 7676MB
[000:000] Computer model: Not available
[000:000] Browser XEmbed support present: 1
[000:000] Browser toolkit is Gtk2.
[000:003] Using Gtk2 toolkit
No bp log location saved, using default.
[000:000] Cpu: 6.69.1, x4, 3300Mhz, 7676MB
[000:000] Computer model: Not available
 [deb] 14:30:40 0.069135 null-indicator.vala:13: No messaging menu support in this build
 [deb] 14:30:40 0.004560 geary-controller.vala:1550: No accounts found.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
 [deb] 14:30:40 0.056337 conversation-web-view.vala:207: Loading new message viewer style from /home/mario/.config/geary/user-message.css...
 [deb] 14:30:50 10.255833 imap-client-session.vala:1455: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_CONNECTING] Connected to imap.gmail.com/default:993
 [deb] 14:30:50 0.000006 imap-client-session.vala:624: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_CONNECTING] Connected
 [deb] 14:30:50 0.045298 imap-client-session.vala:1528: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_NOAUTH] capability #1: NAMESPACE IMAP4rev1 X-GM-EXT-1 XYZZY "AUTH=PLAIN" "AUTH=XOAUTH" "AUTH=PLAIN-CLIENTTOKEN" "AUTH=XOAUTH2" UNSELECT SASL-IR CHILDREN XLIST QUOTA ID IDLE
 [deb] 14:30:50 0.000230 imap-client-session.vala:718: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_NOAUTH] use_starttls=false is_ssl=true starttls=false
 [deb] 14:30:50 0.000004 imap-client-session.vala:746: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_NOAUTH] No STARTTLS attempted
 [deb] 14:30:51 0.193204 imap-client-session.vala:1043: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_AUTHORIZING] Received error from server: * NO [WEBALERT https://accounts.google.com/ContinueSignIn?sarp=1&scc=1&plt=AKgnsbuUbngiy4lDQhnPhJHFP7jIKsUAoHl_hQje4F3GuJNd_Q4MVsQ9tBvqn_PLm9IqYVOU22XmhW6wNAtZWuGwn76HLxijU8xBAqoxKN1DjNy9884gCqHZAVEEV2y69Atl_9c5NzYNjqDvXXRgFhYKbaCYUfOnucwddBIrHe7fj-si0i4YMPqOqPJPYkEC9mPcclM192N3ySsq9aWcOPehvsFy-qS82g] Web login required.
 [deb] 14:30:51 0.000211 imap-client-session.vala:818: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_AUTHORIZING] Unable to LOGIN: a002 NO [ALERT] Please log in via your web browser: http://support.google.com/mail/accounts/bin/answer.py?answer=78754 (Failure)
 [deb] 14:30:51 0.000150 geary-engine.vala:286: Error validating IMAP account info: Unable to login to 0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_NOAUTH with supplied credentials
 [deb] 14:30:51 0.000024 imap-deserializer.vala:250: [des:0000/GEARY_IMAP_DESERIALIZER_STATE_TAG] Waiting for deserializer to close...
 [deb] 14:30:51 0.000050 imap-deserializer.vala:809: [des:0000/GEARY_IMAP_DESERIALIZER_STATE_TAG] input error: Operation was cancelled
 [deb] 14:30:51 0.000044 imap-deserializer.vala:252: [des:0000/GEARY_IMAP_DESERIALIZER_STATE_CLOSED] Deserializer closed
 [deb] 14:30:51 0.000022 imap-client-connection.vala:423: [0000/imap.gmail.com/default:993/GEARY_IMAP_CLIENT_CONNECTION_STATE_CONNECTED] Disconnecting...
 [deb] 14:30:51 0.032516 imap-client-connection.vala:425: [0000/imap.gmail.com/default:993/GEARY_IMAP_CLIENT_CONNECTION_STATE_CONNECTED] Disconnected
 [deb] 14:30:51 0.000013 imap-client-session.vala:1461: [0000/imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_BROKEN] Disconnected from imap.gmail.com/default:993
 [deb] 14:30:51 0.000157 imap-client-session.vala:406: DTOR: ClientSession imap.gmail.com/default:993 GEARY_IMAP_CLIENT_SESSION_STATE_BROKEN
 [deb] 14:30:51 0.373978 smtp-client-session.vala:102: [smtp.gmail.com/default:465] Attempting PLAIN authenticator
 [deb] 14:30:51 0.441253 smtp-client-session.vala:102: [smtp.gmail.com/default:465] Attempting LOGIN authenticator
 [deb] 14:30:52 0.422194 geary-engine.vala:307: Error validating SMTP account info: Unable to authenticate with smtp.gmail.com/default:465
 [deb] 14:30:52 0.139659 geary-controller.vala:882: Validation failed. Prompting user for revised account information