This is the Postfix program at host mhosting2.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.

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

The Postfix program

sroitman@interar.com.ar: maildir delivery failed: La cuenta del usuario se encuentra excedida en su capacidad, por favor intente en otro momento.