watchNS/netagent.co.jp/mailについて、ここに記述してください。
%telnet mail.nd.to 25
Trying 210.166.209.246... Connected to mail.nd.to. Escape character is '^]'. 220 netagent.co.jp ESMTP Postfix ehlo f.ns.qmail.jp 250-netagent.co.jp 250-PIPELINING 250-SIZE 250-ETRN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN quit 221 2.0.0 Bye Connection closed by foreign host.
1. hash-c.co.jp (参考)
%telnet mx.hash-c.co.jp 25
Trying 49.212.165.63... Connected to mx.hash-c.co.jp. Escape character is '^]'. 220 mx.hash-c.co.jp ESMTP ehlo f.ns.qmail.jp 250-mx.hash-c.co.jp 250-PIPELINING 250-SIZE 20971520 250-ETRN 250-STARTTLS 250-AUTH PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN quit 221 2.0.0 Bye Connection closed by foreign host.