backscatter
n.— «Backscatter occurs when a spammer spoofs a legitimate e-mail address to send an unsolicited message to large distribution lists, causing the e-mail server to flood an unsuspecting e-mail address owner’s mailbox with hundreds or thousands of failed delivery messages or bounce backs.» —“Webroot tackles email ‘backscatters’” Netimperative Aug. 4, 2008. (source: Double-Tongued Dictionary)
Further reading
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
There are lots of creative names for the @, also known in English as the at-sign. In Denmark and Sweden, it’s sometimes called the snabel-a, or “elephant trunk.” In Italian, it’s a chiocciola, or “snail. In Greek...