If someone replies to an email address that has the @qp-mail.com domain, the message will not be delivered and will return an "address not found" error, as this is likely an automated and unmonitored address. As shown in the screenshot: https://prnt.sc/21IHUgs3hqu-, the failed delivery triggers a bounce-back email from [email protected], which is Gmail’s automated mail server address used to notify senders when their message could not be delivered.
If someone replies to an email address that has the @qp-mail.com domain, the message will not be delivered and will return an "address not found" error, as this is likely an automated and unmonitored address. As shown in the screenshot: https://prnt.sc/21IHUgs3hqu-, the failed delivery triggers a bounce-back email from mailer-daemon@googlemail.com, which is Gmail’s automated mail server address used to notify senders when their message could not be delivered.