This is the Postfix program at host smtp02.uc3m.es.

I'm sorry to have to inform you that the message returned below could not be delivered to one or more destinations.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can delete your own text from the message returned below.

The Postfix program

dc2@it.uc3m.es: host shem.uc3m.es[163.117.136.124] said: 550 dc2@it.uc3m.es: Recipient address rejected: User unknown in virtual alias table (in reply to RCPT TO command)

derekb@it.uc3m.es: host shem.uc3m.es[163.117.136.124] said: 550 derekb@it.uc3m.es: Recipient address rejected: User unknown in virtual alias table (in reply to RCPT TO command)

designa@it.uc3m.es: host shem.uc3m.es[163.117.136.124] said: 550 designa@it.uc3m.es: Recipient address rejected: User unknown in virtual alias table (in reply to RCPT TO command)

hbrian@it.uc3m.es: host shem.uc3m.es[163.117.136.124] said: 550 hbrian@it.uc3m.es: Recipient address rejected: User unknown in virtual alias table (in reply to RCPT TO command)

krempel@it.uc3m.es: host shem.uc3m.es[163.117.136.124] said: 550 krempel@it.uc3m.es: Recipient address rejected: User unknown in virtual alias table (in reply to RCPT TO command)