As we have noted a couple of times in the past few weeks, spammers and scammers are using the email mailing list confirmation process to send spam. Here’s how that works: someone signs up for a mailing list, and then replies to the confirmation request with their spam. In this case, Amy Happy at amy41211@letmailer.com, seems to be replying to a confirmation message that she, in fact, never received in the first place.