| How can I understand the mail delivery failure notice? There are four parts to a mail delivery failure notification: 1. The full headers of the mail delivery failure notice: These will help you determine where the mail delivery failure notice came from - NetZero or the
recipient' s domain 
2. Transcript of the mail delivery failure:The transcript of the mail delivery failure provides the reason for non-delivery. This information will
usually fully explain the reasons for mail failure. 
3. The full headers of the original message:These headers provide the basic information about the original message. In situations where the
mail delivery failure transcript isn' t helpful, this information can help determine the reasons for
mail failure. 
4. Body of the original message:This is the actual content of the message you sent.
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