Not knowing anything about KMAIL, I *MIGHT OF* not sure, left kmail open while backing up the .trinity/share/apps/kmail/mail folder.
I know that nothing was running when I did the backup. I had KMAIL set to work offline.
Do you think everything will be okay? I know KMAIL stores emails as separate files vs in a .mbox file.
I just got done importing everything over from Evolution.
I might make another backup again, just to be sure.