bounce message
Why Am I Getting Bounces for Email I Didn’t Send?
Spammers want to send email that looks like it’s coming from someone who can be trusted. They want it to look like it’s coming from you — and you may end up getting the bounce notifications.
Why Does Email I Send Fail But a Reply Works?
If sending an email bounces but replying works, the culprit is usually a wrong address hiding in plain sight. Learn how display names, typos, and auto-complete can fool you, and how to fix the problem so your messages get through every time.