I have a couple of swatch.scripts & the gengraphs.out files but that's about it. 'Normal', I don't know about that - I'd make a wild guess and say they're just leftover files but it would only be a guess. Have you tried deleting the older files? Have you made any changes to your services such as amavis etc. that are running in zimbra? I assume everything is still up as normal? Has the server been rebooted since this problem started? I would guess you have as that normaly one of my first choices.
