messagelist reload upon new email arrival

Dear all

I have been wondering for a while about the fact that when a new email arrives the folder name and title name are correctly updated to show this new arrival. However the appropriate message list isn't updated, which seemed odd to me. Is this a bug or a feature?? After having spend some time inside the cod, i am now hopelessly stuck. I either end up in an eternal loop or need to code a new function (js/php) to instigate a message list reload without a this.set_unread_count(). Does anyone have an idea about this?

with regards Bram Vogelaar