figure - pymailgui delete verification on quit by designno mail is ever removed automaticallyyou will see the same messages the next time pymailgui runs it deletes mail from your server only when you ask it toand then only if verified in the last pop up shown (this is your last chance to prevent permanent mail removalafter the deletions are performedthe mail index is updatedand the gui session continues deletions disable mail loads and other deletes while running and cannot be run in parallel with loads or other deletes already in progress because they may change pop message numbers and thus modify the mail index list (they may also modify the email the pymailgui client