我必须对尝试通过后缀安装发送电子邮件的IP或用户有所了解
我试图在Google上寻找程序
我尝试了grep mail.log
这是日志行
Jul 24 02:12:03 km33235-03 postfix/qmgr[1052]: 38CE67C0294: from=<>, size=5636, nrcpt=1 (queue active)
Jul 24 02:12:03 km33235-03 postfix/bounce[22856]: B77F07C028F: sender non-delivery notification: 38CE67C0294
Jul 24 02:12:33 km33235-03 postfix/smtp[22858]: 38CE67C0294: to=<Argentieri_Nek@p720.com>, relay=none, delay=30, delays=0.35/0.01/30/0, dsn=4.4.1, status=deferred (connect to p720.com[99.81.40.78]:25: Connection timed out)
我想要一个程序