(Araucaria) Fw: Returned mail: see transcript for details

[py4was]

Prezados Amigos !

De uma hora para poutra , não consigo mais enviar e-mails para o endereço do 
meu filho.

Alguém saberia me explicar , com base no retorno do e-mail enviado para ele 
( ver abaixo ) , o motivo ?

Antecipadamente agradeço a atenção.

73 , Ed - PY4WAS

================================================================================
----- Original Message ----- 
From: "Mail Delivery Subsystem" <MAILER-DAEMON em russia.powerline.com.br>
To: <ed-py4was em powerline.com.br>
Sent: Saturday, December 12, 2009 9:44 AM
Subject: Returned mail: see transcript for details


> The original message was received at Sat, 12 Dec 2009 09:44:28 -0200
> from c545-net.powerline.com.br [200.251.61.245]
>
>   ----- The following addresses had permanent fatal errors -----
> <kcnuto em hotmail.com>
>    (reason: 550 SC-001 Mail rejected by Windows Live Hotmail for policy 
> reasons. Reasons for rejection may be re...l/network admins, please visit 
> http://postmaster.live.com for email delivery information and support)
>
>   ----- Transcript of session follows -----
> ... while talking to mx1.hotmail.com.:
>>>> MAIL From:<ed-py4was em powerline.com.br> SIZE=10544
> <<< 550 SC-001 Mail rejected by Windows Live Hotmail for policy reasons. 
> Reasons for rejection may be related to content with spam-like 
> characteristics or IP/domain reputation problems. If you are not an 
> email/network admin please contact your E-mail/Internet Service Provider 
> for help. Email/network admins, please visit http://postmaster.live.com 
> for email delivery information and support
> 554 5.0.0 Service unavailable
>