SUMMARY STEPS TO REPRODUCE 1. Configure a 163.com email account 2. Keep client open 3. OBSERVED RESULT If you have a lot of emails on the server, you will get a notice from the email service provider warning you that you have downloaded more than 4000MB of data. EXPECTED RESULT The client should not try to download all the emails at once. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: Gentoo/Plasma 5.21.5 (available in About System) KDE Plasma Version: 5.21.5 KDE Frameworks Version: 5.82.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION