Undelivered Mail Returned to Sender

Undelivered Mail Returned to Sender

Dear sir/madam,


Would you please help to take a look and resolve the following problem:

This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error.

xxx@vn.panasonic.com, ERROR_CODE :550, ERROR_CODE :5.7.1 < xxx@pcb-graphtech.com.vn>... Mail from 135.84.80.217 refused by R type, see http://www.mail-abuse.com/

Looking forward to hearing from you soon.

Regards