Backscatter (email)

Backscatter in the context of email refers to the phenomenon where a server incorrectly generates bounce messages for emails that were not originally sent by the user. This typically occurs in scenarios involving spam or forged sender addresses. Here’s how it usually happens: 1. **Spam Emails**: A spammer sends emails that spoof the "From" address, making it appear as though the emails are sent from a legitimate user’s email address.