PC : うーんと。hotmail では、動的 IP address に見えるドメインを EHLO で送ると直ちに 切る、という設定になっているんでしょうか。
逆引きしてくるサーバへの対策に、ちゃんと自分のfqdnを名乗るようにしていますのにー。 どうすればー。
kuro% cat /var/qmail/control/me 220.57.138.210.xn.2iij.net kuro% telnet mx2.hotmail.com 25 Trying 65.54.245.40... Connected to mx2.hotmail.com. Escape character is '^]'. 220 bay0-mc10-f18.bay0.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft's computer network is prohibited. Other restrictions are found at http://privacy.msn.com/Anti-spam/. Violations will result in use of equipment located in California and other states. Sun, 22 Apr 2007 05:01:49 -0700 EHLO xxx.xxx.138.210.xn.2iij.net 554 Transaction failed Connection closed by foreign host. kuro% telnet mx2.hotmail.com 25 Trying 65.54.245.40... Connected to mx2.hotmail.com. Escape character is '^]'. 220 bay0-mc12-f2.bay0.hotmail.com Sending unsolicited commercial or bulk e-mail to Microsoft's computer network is prohibited. Other restrictions are found at http://privacy.msn.com/Anti-spam/. Violations will result in use of equipment located in California and other states. Sun, 22 Apr 2007 05:02:01 -0700 EHLO mail.kuro.neko.net 250-bay0-mc12-f2.bay0.hotmail.com (3.3.2.16) Hello [210.138.57.220] 250-SIZE 29696000 250-PIPELINING 250-8bitmime 250-BINARYMIME 250-CHUNKING 250-AUTH LOGIN 250-AUTH=LOGIN 250 OK quit 221 bay0-mc12-f2.bay0.hotmail.com Service closing transmission channel Connection closed by foreign host.
Cf. http://ya.maya.st/d/200611b.html