Message Delivery Failure | Can u Help me?

Message Delivery Failure | Can u Help me?

This is an automatically generated Delivery Status Notification.

Delivery to the following recipients was aborted after 13.0 hour(s):

  *  bel@veritasterapias.com.br

Reason: There was an error while attempting to deliver r message with [Subject: "Teste"] to  bel@veritasterapias.com.br . It has been in queue too long, and will not attempt delivery again.
 

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I give support for Bel , her can send mail in yahoo, but not can receive.