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SMTP extension for email delivery failure

  • US 7,093,025 B1
  • Filed: 10/04/2000
  • Issued: 08/15/2006
  • Est. Priority Date: 10/04/2000
  • Status: Expired due to Fees
First Claim
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1. A computing system including an email system connected to an email network using the SMTP (Simple Mail Transfer Protocol) protocol, the computing system comprising:

  • an extended alternate recipient parameter in the SMTP protocol within a self-rerouting email message that specifies alternate recipients to be used in case the email system cannot deliver the self-rerouting email message to an original recipient, and to automatically attempt to forward the self-rerouting email message to the alternate recipients in case the self-rerouting email message cannot be delivered to the original recipient.

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