- pop3 account - Local Folders -> inbox -> <account name> starting KMail and the message view shows only the last received (and kept as opposed to more recent but deleted messages) message. exiting KMail and starting again, shows all mails again. no expiration, no filters, only "open this folder on startup". KMail is started by kde session management upon login (KDE 4.14., 64bit) Reproducible: Always
stopped using it a long time ago