K9 mail Push not working


Jun 7, 2022
hi i have poco F3 energy modus i have add K9 mail already, but if phone is in loked mode, after view minutes not emails are more sync, no sound comes, 1st if i login back sync start again. and push sync is not live time its many time later as other phones. push is on every time in config. any ideas? next is notification sound is after reboot not available, is a own sound on phone, and app does not start automatical after reboot, if i activate autoreboot, app can not open anymoe. i must uninstall and install new.
hope you can help here. many problems thanks
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