What is a Bounce Email?
Definition: A bounce email is an email that has not been delivered to its recipient. It is sent back to the sender with an error message.
Bounces are undeliverable emails sent by mail servers. They are not spam, since they are theoretically legitimate. However, given that many spammers impersonate legitimate individuals, some bounces may reach you even though you did not send the original email. This can pollute your inbox. On the other hand, in normal circumstances there is little reason to receive Bounces when you use the same mail server for sending and receiving emails, because in the event of a delivery error, the information message is distributed directly locally (unless the recipient’s server is not correctly configured).