Comment 1 for bug 2052397

Further info: Error message on 2nd (desktop) machine (same versions of Ubuntu and Geary) reads:

"*[wrn] 22:44:34.0333 folks:Failed to find primary PersonaStore with type ID 'eds' and ID '899b351ca28fa0f10086482b421b738650f7d578'.
Individuals will not be linked properly and creating new links between Personas will not work.
The configured primary PersonaStore's backend may not be installed. If you are unsure, check with your distribution.
bwrap: Creating new namespace failed: Permission denied
![err] 22:44:34.0503 [no domain]:Failed to fully launch dbus-proxy: Child process exited with code 1
Trace/breakpoint trap (core dumped)"