In receiving a second cold email from a recruiter earlier today, I discovered I had missed the first among my usual sea of emails. The recruiter guilts me in the subject line, writing "I haven't heard back from you" and, unlike the first, the email is copied to every email account I think I've ever held, including an email at a previous university, and one from my childhood I now use for junk. The body of the email also thinly veils annoyance with such constructions as: "As I tried to communicate in my last email...", and "When I first reached out...", and so on.

I have no interest in the position, and I'm normally good at telling people that politely, but I'm wondering if I should (and, if so, how to) address the assumption that I owe them a response in the first place. I find both that assumption and their attempts to guilt me for not replying unprofessional.