The original message was received at Fri, 21 Oct 2011 01:06:59 +0200 from localhost.localdomain [127.0.0.1] ----- The following addresses had permanent fatal errors ----- <dunan@lrsv.ups-tlse.fr> (reason: 550 5.1.1 <dunan@lrsv.ups-tlse.fr>: Recipient address rejected: User unknown in local recipient table) ----- Transcript of session follows ----- ... while talking to polext1.scsv.ups-tlse.fr.:

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DATA <<< 550 5.1.1 <dunan@lrsv.ups-tlse.fr>: Recipient address rejected: User unknown in local recipient table 550 5.1.1 <dunan@lrsv.ups-tlse.fr>... User unknown <<< 554 5.5.1 Error: no valid recipients