javamail command not implemented

这个错误今天让我大受折磨

写好的程序，在我这里啥事没有。结果到别人那里就报错

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DEBUG: setDebug: JavaMail version 1.4ea DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc] DEBUG SMTP: useEhlo true, useAuth true DEBUG SMTP: trying to connect to host "smtp.126.com", port 25, isSSL false 220 126.com Anti-spam GT for Coremail System (126com[20090903]) DEBUG SMTP: connected to host "smtp.126.com", port: 25   EHLO 1318-灏(: 502 Error: command not implemented EHLO 1318-灏(: 502 Error: command not implemented javax.mail.MessagingException: 502 Error: command not implemented   at com.sun.mail.smtp.SMTPTransport.issueCommand(SMTPTransport.java:1328) at com.sun.mail.smtp.SMTPTransport.helo(SMTPTransport.java:801) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:345) at javax.mail.Service.connect(Service.java:275) at javax.mail.Service.connect(Service.java:156) at cns.mail.SendMail.send(SendMail.java:340) at org.apache.jsp.job.sendmail_jsp._jspService(sendmail_jsp.java:143) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:595)

找了N久原因，还是搞不定。
最终我觉得不是程序问题，是机器问题。
对比了错误信息，发现它输出的计算机名是乱码，也就是汉字，我的机器名是英文。难道因为这个？

修改机器名为汉字，重启，一测，果然是因为这个

崩溃，崩溃