Don't allow to delete "Device Messages" chat and some of its messages

[DELTA_MAFIA]

Sure, I don’t do that kind of thing, but this would make it clearer that it’s very simple and that this issue should be addressed as a priority — even if not completely, at least implemented in the way I described earlier:

@DELTA_MAFIA

The only thing that can realistically be done at the moment — and I have suggested this before — is at least to know the number of active sessions. For example, if Delta Chat were to send an email at least once a day to the user’s own address containing information about the current device with a specific subject line, the client could then display this data in the “Connection” section (where the current mailbox size is shown): the device name and the last session time. In other words, the time when the last email was sent would indicate when that device was last active in a session.