Where does a bounced email return to?
Email tracking the location may be changed depending on the software used and its configuration. Additional technical information, such as who it is from, the email software they use, the IP addresses of the sender, and their email server is commonly available inside the Internet headers of the read receipt. The technical term for these is "MDN - Message Disposition Notifications", and they are requested by inserting one or more of the following lines into the email headers: "X-Confirm-Reading-To:"; "Disposition-Notification-To:"; or "Return-Receipt-To:" Several email tracking services also feature real-time notifications, producing an on-screen pop-up whenever the sender's email has been opened. Another
Email loop due to changes to email software, both on the client side and the server side, that prevent automatic replies to vacation responses and bounced mail responses. Email loop An email loop is an infinite loop phenomenon, resulting from mail servers, scripts, or email clients that generate automatic replies or responses. If one such automatic response triggers another automatic response on the other side, an email loop is created. The process can continue until one mailbox is full or reaches its mail sending limit. In theory, the email loop could last indefinitely. Email loops may be caused accidentally or maliciously, causing