This is the Postfix program at host mlme349.servidoresdns.net.

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			The Postfix program

<harold-oLI30V9UujBBDgjK7y7TUQ@public.gmane.org>: host ing.wanadoo.es[62.36.20.73] said: 550 Relay not
    permitted / No such user (in reply to RCPT TO command)