thunderbird-autostart.service

 1[Unit]
 2Description=Start Thunderbird after Proton Mail Bridge is ready
 3Requires=protonmail-bridge.service
 4After=protonmail-bridge.service
 5
 6[Service]
 7Type=exec
 8TimeoutStartSec=2min
 9ExecStartPre=/usr/bin/bash -c 'for i in {1..60}; do /usr/bin/nc -z -w1 localhost 1143 && exit 0; sleep 1; done; exit 1'
10ExecStartPre=/usr/bin/sleep 10
11ExecStart=/usr/bin/uwsm app -- org.mozilla.Thunderbird.desktop