The bounceback e-mail messages come in at a trickle, maybe one or two every hour. The subject lines are disquieting: “Cyails, Vygara nad Levytar,” “UNSOLICITED BULK EMAIL, apparently from you.”
But the problem would largely disappear if server administrators configured their mail servers to immediately reject mail that is sent to nonexistent users, rather than accepting it and then bouncing it back to the faked addresses. Some ISPs…
