Last login: Sun Jan 31 13:47:51 on console yuuMac:~ YuutaHomma$ telnet **********.dendai.ac.jp 587 Trying ******************** Connected to *************.dendai.ac.jp. Escape character is '^]'. 220 *********.dendai.ac.jp ESMTP Postfix HELO **********.dendai.ac.jp 250 *********.dendai.ac.jp MAIL FROM:**********@ms.dendai.ac.jp 250 Ok RCPT TO:*************@******.ne.jp 554 <***********@******.ne.jp>: Recipient address rejected: Access denied DATA 554 Error: no valid recipients quit 221 Bye Connection closed by foreign host. yuuMac:~ YuutaHomma$