[wxfxn2000]

收到退信：

The maximum number of tentatives has been reached


Below is reported the message header:

查看SMTP日志，里面只有成功发送的有记录。
然后查看SENDMAIL日志，里面记录：
SMTP-Send MX="maila.mailex.chinaunicom.cn." SMTP-Helo="mail.tnetstar.com" MessageID="S259A1A19EE" RealFrom="liu.lu@tnetstar.com" RealTo="zhangkui5@chinaunicom.cn" From="liu.lu@tnetstar.com" To="zhangkui5@chinaunicom.cn" Failed! [level1 ErrCode=-41 ErrString="Bad server response" ErrInfo="can't get remote smtp server welcome message(-1000)"]
2010-04-02 15:25:48 [0] [DEBUG] [1503] success to connect remote SMTP server(mailb.mailex.chinaunicom.cn.:202.108.100.145)
2010-04-02 15:26:17 [0] [DEBUG] [20030] fail to create channel
2010-04-02 15:26:17 [0] [ERROR] [1121] SMTP-Send MX="mailb.mailex.chinaunicom.cn." SMTP-Helo="mail.tnetstar.com" MessageID="S259A1A19EE" RealFrom="liu.lu@tnetstar.com" RealTo="liwei.lin@chinaunicom.cn" From="liu.lu@tnetstar.com" To="liwei.lin@chinaunicom.cn" Failed! [level1 ErrCode=-41 ErrString="Bad server response" ErrInfo="can't get remote smtp server welcome message(-1000)"]
2010-04-02 15:26:17 [0] [DEBUG] [1503] success to connect remote SMTP server(mailc.mailex.chinaunicom.cn.:202.108.100.145)
2010-04-02 15:26:17 [0] [DEBUG] [20030] fail to create channel
2010-04-02 15:26:17 [0] [ERROR] [1121] SMTP-Send MX="mailb.mailex.chinaunicom.cn." SMTP-Helo="mail.tnetstar.com" MessageID="S259A1A19EE" RealFrom="liu.lu@tnetstar.com" RealTo="wangchb@chinaunicom.cn" From="liu.lu@tnetstar.com" To="wangchb@chinaunicom.cn" Failed! [level1 ErrCode=-41 ErrString="Bad server response" ErrInfo="can't get remote smtp server welcome message(-1000)"]
2010-04-02 15:26:17 [0] [DEBUG] [1503] success to connect remote SMTP server(mailc.mailex.chinaunicom.cn.:202.108.100.145)
2010-04-02 15:26:18 [0] [DEBUG] [20030] fail to create channel
2010-04-02 15:26:18 [0] [ERROR] [1121] SMTP-Send MX="mailb.mailex.chinaunicom.cn." SMTP-Helo="mail.tnetstar.com" MessageID="S259A1A19EE" RealFrom="liu.lu@tnetstar.com" RealTo="zhangkui5@chinaunicom.cn" From="liu.lu@tnetstar.com" To="zhangkui5@chinaunicom.cn" Failed! [level1 ErrCode=-41 ErrString="Bad server response" ErrInfo="can't get remote smtp server welcome message(-1000)"]
2010-04-02 15:26:18 [0] [DEBUG] [1503] success to connect remote SMTP server(mailc.mailex.chinaunicom.cn.:202.108.100.145)
2010-04-02 15:26:47 [0] [DEBUG] [20030] fail to create channel
2010-04-02 15:26:47 [0] [ERROR] [1121] SMTP-Send MX="mailc.mailex.chinaunicom.cn." SMTP-Helo="mail.tnetstar.com" MessageID="S259A1A19EE" RealFrom="liu.lu@tnetstar.com" RealTo="liwei.lin@chinaunicom.cn" From="liu.lu@tnetstar.com" To="liwei.lin@chinaunicom.cn" Failed! [level1 ErrCode=-41 ErrString="Bad server response" ErrInfo="can't get remote smtp server welcome message(-1000)"]
2010-04-02 15:26:47 [0] [DEBUG] [20030] fail to create channel
2010-04-02 15:26:47 [0] [ERROR] [1121] SMTP-Send MX="mailc.mailex.chinaunicom.cn." SMTP-Helo="mail.tnetstar.com" MessageID="S259A1A19EE" RealFrom="liu.lu@tnetstar.com" RealTo="wangchb@chinaunicom.cn" From="liu.lu@tnetstar.com" To="wangchb@chinaunicom.cn" Failed! [level1 ErrCode=-41 ErrString="Bad server response" ErrInfo="can't get remote smtp server welcome message(-1000)"]
2010-04-02 15:26:48 [0] [DEBUG] [20030] fail to create channel