> could you also check the debug console in thunderbird and journal to see if there is any error?
This seems relevant (from stdout or stderr when running thunderbird from terminal):
[Parent 180849, Main Thread] WARNING: Failed to connect to proxy: 'glib warning', file /build/thunderbird/parts/thunderbird/build/toolkit/xre/nsSigHandlers.cpp:167
(thunderbird:180849): libnotify-WARNING **: 16:34:31.333: Failed to connect to proxy
> could you also check the debug console in thunderbird and journal to see if there is any error?
This seems relevant (from stdout or stderr when running thunderbird from terminal): thunderbird/ parts/thunderbi rd/build/ toolkit/ xre/nsSigHandle rs.cpp: 167
[Parent 180849, Main Thread] WARNING: Failed to connect to proxy: 'glib warning', file /build/
(thunderbird: 180849) : libnotify-WARNING **: 16:34:31.333: Failed to connect to proxy