Pop3 move mail filters aren't truncating the inbox correctly after a move (i.e., berkeley mailbox discard message doesn't seem to be working). You can see this if you repair the inbox after getting new mail, and the filtered mail shows up again in the inbox.
Created attachment 586855 [details] [diff] [review] proposed fix I'll try to come up with a unit test for this, but this patch fixes it.
Created attachment 587020 [details] [diff] [review] fix with unit test adds a unit test - I've done a push to try with this patch - http://build.mozillamessaging.com/tinderboxpushlog?tree=ThunderbirdTry&rev=869d86b614a7
bienvenu, this is a regression from which bug?
(In reply to Wayne Mery (:wsmwk) from comment #4) > bienvenu, this is a regression from which bug? the pluggable store work, bug 402392