Reporting-MTA: dns;sp604003mt.gpm.neuf.ld (tcp-daemon)

Original-recipient: rfc822;cdte31@laposte.net
Final-recipient: rfc822;cdte31@laposte.net
Action: failed
Status: 5.0.0 (Remote SMTP server has rejected address)
Remote-MTA: dns;smtp4.laposte.net (TCP|84.96.92.56|48968|193.251.214.113|25)
 (mwinf8406.laposte.net ESMTP **************************)
Diagnostic-code: smtp;550 <cdte31@laposte.net>: Recipient address rejected:
 User unknown