SUMMARY STEPS TO REPRODUCE 1. Configure a Exchange EWS account 2. Use it, for example deleting emails, sometimes in the Microsoft webmail OBSERVED RESULT Ghost emails appear in the folder list: unread emails are signaled in the folders list while no unread email appear in the emails list and no unread email are visible in the Microsoft webmail. Trying to fsck or vacuum akonadi does not change anything. Forcing the upadte of the folder does not work either. EXPECTED RESULT No ghost message should be present. SOFTWARE/OS VERSIONS Operating System: KDE neon 5.27 KDE Plasma Version: 5.27.8 KDE Frameworks Version: 5.110.0 Qt Version: 5.15.10 Kernel Version: 6.2.0-34-generic (64-bit) Graphics Platform: Wayland Processors: 20 × 13th Gen Intel® Core™ i7-1370P Memory: 62.4 Gio of RAM Graphics Processor: Mesa Intel® Graphics Manufacturer: HP Product Name: HP EliteBook 840 14 inch G10 Notebook PC