[C2hs] Returned mail: User unknown

The original message was received at Thu, 7 Jul 2005 03:58:31 -0400 (EDT) from 81-174-5-70.f5.ngi.it [81.174.5.70] *** ATTENTION *** Your e-mail is being returned to you because there was a problem with its delivery. The address which was undeliverable is listed in the section labeled: "----- The following addresses had permanent fatal errors -----". The reason your mail is being returned to you is listed in the section labeled: "----- Transcript of Session Follows -----". The line beginning with "<<<" describes the specific reason your e-mail could not be delivered. The next line contains a second error message which is a general translation for other e-mail servers. Please direct further questions regarding this message to your e-mail administrator. --AOL Postmaster ----- The following addresses had permanent fatal errors ----- ----- Transcript of session follows ----- ... while talking to air-xb04.mail.aol.com.:

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RCPT To: <<< 550 MAILBOX NOT FOUND 550 ... User unknown