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Why Did My Email Bounce Back?

Understand common delivery failures returned by a recipient's mail server.

Quick Answer

Read the bounce for its status code and explanation, then correct the problem it identifies.

Step by Step

  1. Open the relevant email account or application.
  2. Read the bounce for its status code and explanation, then correct the problem it identifies.
  3. Review the result carefully before making any permanent deletion, forwarding, or account change.
  4. Confirm the change worked from the mailbox or settings page.

If That Doesn't Work

  • Menu names can differ between web, desktop, mobile, classic, and newer versions of an email application.
  • For business or managed accounts, administrator policies can restrict some settings.