I applied the workaround (thanks), but in order to have the messages copied to the Sent folder I had also to manually add missed names in the.json mail behavior foder. Doing it from the guilty didn't work.
I applied the workaround (thanks), but in order to have the messages copied to the Sent folder I had also to manually add missed names in the.json mail behavior foder. Doing it from the guilty didn't work.