| 报错如下 Can't send command to SMTP hostjavax.mail.MessagingException: Can't send command to SMTP host; nested exception is: java.net.SocketException: Connection closed by remote host at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1564) at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1551) at com.sun.mail.smtp.SMTPTransport.simpleCommand(SMTPTransport.java:1528) at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:441) at javax.mail.Service.connect(Service.java:288) at javax.mail.Service.connect(Service.java:169) at com.fr.base.EmailManager.connect(Unknown Source) at com.fr.base.EmailManager.send(Unknown Source) at com.fr.base.EmailManager.send(Unknown Source) at com.fr.base.EmailManager.send(Unknown Source) at com.fr.base.EmailManager.send(Unknown Source) at com.fr.base.EmailManager.sendTestMail(Unknown Source) at com.fr.fs.web.service.ServerConfigTestMailAction.actionCMD(Unknown Source) at com.fr.web.core.WebActionsDispatcher.dealForActionNoSessionIDCMD(Unknown Source) at com.fr.fs.web.service.ServerConfigService.process(Unknown Source) at com.fr.stable.fun.impl.NoSessionIDService.process(Unknown Source) at com.fr.web.core.ReportDispatcher.dealWithOp(Unknown Source) at com.fr.web.core.ReportDispatcher.dealWeblet(Unknown Source) at com.fr.web.core.ReportDispatcher.dealWithRequest(Unknown Source) at com.fr.web.BaseServlet.doGet(Unknown Source) at com.fr.web.BaseServlet.doPost(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:286) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:272) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1730) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) Caused by: java.net.SocketException: Connection closed by remote host at com.sun.net.ssl.internal.ssl.SSLSocketImpl.checkWrite(SSLSocketImpl.java:1253) at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:43) at com.sun.mail.util.TraceOutputStream.write(TraceOutputStream.java:114) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123) at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1562) 邮箱没问题，这报的是什么原因，，求教 |
