A member of our hackerspace recently missed the announcement email that some of his stuff had been tagged as abandoned. The other similar announcement of someon

A member of our hackerspace recently missed the announcement email that some of his stuff had been tagged as abandoned. The other similar announcement of someone else's abandoned stuff, literally 3 minutes earlier, landed in his inbox, but the important one was flagged as spam. And there doesn't seem to be a way to adjust it.