5.5.0 Smtp; 554 I Have Received Email From A Friend But Now It Shows Undeliverable From System Administrator.?

I have received email from a friend but now it shows undeliverable from system administrator.? - 5.5.0 smtp; 554

Message from the Administrator said that there is a problem of communication with the recipient SMTP server. Please contact your system administrator
\\ \\ \\ \\ \\ \\ \\ \\ U0026lt; mail.tyreeoil.com # 5.5.0 smtp; 550-208.85.232.222 blocked by IDAP: rblmx ou =, dc = Worldnet, dc = att, dc = net>