我试图使用JavaMail API来发送邮件，但得到450 4.7.1客户端主机拒绝错误

-1

DEBUG: setDebug: JavaMail version 1.4.4 
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc] 
DEBUG SMTP: useEhlo true, useAuth false 
DEBUG SMTP: trying to connect to host "smtp.server.com", port 25, isSSL false 
220 smtp.server.com ESMTP Postfix (Ubuntu) 
DEBUG SMTP: connected to host "smtp.server.com", port: 25 

EHLO MYPC 
250-smtp.server.com 
250-PIPELINING 
250-SIZE 20480000 
250-VRFY 
250-ETRN 
250-STARTTLS 
250-ENHANCEDSTATUSCODES 
250-8BITMIME 
250 DSN 
DEBUG SMTP: Found extension "PIPELINING", arg "" 
DEBUG SMTP: Found extension "SIZE", arg "20480000" 
DEBUG SMTP: Found extension "VRFY", arg "" 
DEBUG SMTP: Found extension "ETRN", arg "" 
DEBUG SMTP: Found extension "STARTTLS", arg "" 
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg "" 
DEBUG SMTP: Found extension "8BITMIME", arg "" 
DEBUG SMTP: Found extension "DSN", arg "" 
DEBUG SMTP: use8bit false 
MAIL FROM:<[email protected]> 
250 2.1.0 Ok 
RCPT TO:<[email protected]> 
450 4.7.1 Client host rejected: cannot find your hostname, [172.17.9.70] 
DEBUG SMTP: Valid Unsent Addresses 
DEBUG SMTP: [email protected] 
DEBUG SMTP: Sending failed because of invalid destination addresses 
RSET 
250 2.0.0 Ok 
javax.mail.SendFailedException: Invalid Addresses; 
    nested exception is: 
     com.sun.mail.smtp.SMTPAddressFailedException: 450 4.7.1 Client host rejected: cannot find your hostname, [172.17.9.70] 

     at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1835) 
     at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1098) 
     at javax.mail.Transport.send0(Transport.java:195) 
     at javax.mail.Transport.send(Transport.java:124) 
     at defaultsrc.SendMail.main(SendMail.java:71) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
     at java.lang.reflect.Method.invoke(Unknown Source) 
     at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58) 
Caused by: com.sun.mail.smtp.SMTPAddressFailedException: 450 4.7.1 Client host rejected: cannot find your hostname, [172.17.9.70] 

     at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1700) 
     ... 9 more 
QUIT 
221 2.0.0 Bye

上述IP 172.17.9.70是我的计算机局域网IP和MYPC是我的主机名。它似乎比邮件服务器成功连接。但不知道为什么它说“客户端主机拒绝”。邮件服务器不需要任何身份验证，并使用端口25.任何人都可以帮助我？我试图使用JavaMail API来发送邮件，但得到450 4.7.1客户端主机拒绝错误

来源

2016-01-22 Suman Sengupta

Stackoverflow用于帮助开发软件。邮件服务器管理并不是真正的主题。你在这里寻找什么样的答案？ – Kenster

我会回应其他评论者，也建议这可能是更好的问serverfault ...但我的猜测是这是一个DNS问题。 MX正在从您的IP地址查找您的主机名，但没有发现任何内容（“无法找到您的主机名”）。请参阅https://en.wikipedia.org/wiki/Forward-confirmed_reverse_DNS

来源

2016-01-22 22:40:07

谢谢@Ed ..有没有任何DNS配置需要服务器或在我的电脑？ –

我试图使用JavaMail API来发送邮件，但得到450 4.7.1客户端主机拒绝错误

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