The other week, I noticed that the amount of free disk space on my MacBook Air had dropped rather precipitously to under a few gigabytes. As I usually don’t store that many files on that machine—much less large ones—I went poking around to figure out what was eating up all my disk space1. The culprit, as I reported on Mastodon, turned out to be a Mail log for my iCloud account2 that had ballooned to an astonishing 28GB—a not insignificant percentage of my 256GB drive. Popping it open, I scrolled through to see, yes, it was just as I expected,…