Hola: 
 
Un cliente está enviando un mensaje de correo a una cuenta de HOTMAIL. El mensaje no se puede entregar, rebota, y el código de error es: 
 
>>  Diagnostic Code:
>>      smtp; 421 (RP-001 The mail server IP connecting to Windows Live
>> Hotmail server has exceeded the rate limit allowed. Reason for rate
>> limitation is related to 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)
>>  Control data:
>>      smtp hotmail.com [email protected] 99
>>  Diagnostic texts:
>>      expired after 6 hours, problem was:
 
 
¿Alguien sabe de qué se trata esto?
Muchas gracias. 
 
 
Federico 
   
 

