If an encrypted message sent by device 1 from account A is for some reason delivered to device 1 on account A (ie. due to issue with carbons or is retrieved from MAM) it is marked as invalid instead of being check for the possibility of being a duplicate.
If an encrypted message sent by device
1from accountAis for some reason delivered to device1on accountA(ie. due to issue with carbons or is retrieved from MAM) it is marked as invalid instead of being check for the possibility of being a duplicate.