This is the Postfix program at host antispam13.netizen.com.ar.

I'm sorry to have to inform you that your message could not be be delivered to one or more recipients. It's attached below.

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 attached returned message.

The Postfix program

alfaro@elsitio.net: host 200.49.100.42[200.49.100.42] said: 554 alfaro@elsitio.net: Recipient address rejected: Access denied (in reply to RCPT TO command)

delca@elsitio.net: host 200.49.100.42[200.49.100.42] said: 554 delca@elsitio.net: Recipient address rejected: Access denied (in reply to RCPT TO command)

delwyn@elsitio.net: host 200.49.100.42[200.49.100.42] said: 554 delwyn@elsitio.net: Recipient address rejected: Access denied (in reply to RCPT TO command)

dpritch@elsitio.net: host 200.49.100.42[200.49.100.42] said: 554 dpritch@elsitio.net: Recipient address rejected: Access denied (in reply to RCPT TO command)

maloney@elsitio.net: host 200.49.100.42[200.49.100.42] said: 554 maloney@elsitio.net: Recipient address rejected: Access denied (in reply to RCPT TO command)

schraden@elsitio.net: host 200.49.100.42[200.49.100.42] said: 554 schraden@elsitio.net: Recipient address rejected: Access denied (in reply to RCPT TO command)