本地设计器设置邮箱后发送邮件OK，放到服务器上就不行了，有谁遇到过？

相同的配置没变过

邮件发送失败
com.fr.schedule.output.EmailException: javax.mail.MessagingException: Could not connect to SMTP host: SMTP.263.net, port: 25;
nested exception is:
    java.net.ConnectException: Connection timed out: connect 
    at com.fr.schedule.output.EmailNotification.doFileAction(Unknown Source) 
    at com.fr.schedule.output.EmailNotification.doFileAction(Unknown Source) 
    at com.fr.fs.schedule.job.DoFileActionJob.doFileAction(Unknown Source) 
    at com.fr.fs.schedule.job.ViewReportletJob.dealWithFileActions(Unknown Source) 
    at com.fr.fs.schedule.job.FormletJob.executeReportByUsername(Unknown Source) 
    at com.fr.fs.schedule.job.ViewReportletJob.executeScheduledOutput(Unknown Source) 
    at com.fr.fs.schedule.job.ViewReportletJob.executeReport(Unknown Source) 
    at com.fr.fs.schedule.job.ReportletJob.execute(Unknown Source) 
    at com.fr.third.org.quartz.core.JobRunShell.run(JobRunShell.java:202) 
    at com.fr.third.org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:525) 
Caused by: javax.mail.MessagingException: Could not connect to SMTP host: SMTP.263.net, port: 25;
nested exception is:
    java.net.ConnectException: Connection timed out: connect 
    at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1961) 
    at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:654) 
    at javax.mail.Service.connect(Service.java:295) 
    at javax.mail.Service.connect(Service.java:176) 
    at com.fr.base.EmailManager.connect(Unknown Source) 
    at com.fr.base.EmailManager.send(Unknown Source) 
    at com.fr.base.EmailManager.send(Unknown Source) 
    ... 10 more 
Caused by: java.net.ConnectException: Connection timed out: connect 
    at java.net.DualStackPlainSocketImpl.connect0(Native Method) 
    at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) 
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) 
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) 
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source) 
    at java.net.PlainSocketImpl.connect(Unknown Source) 
    at java.net.SocksSocketImpl.connect(Unknown Source) 
    at java.net.Socket.connect(Unknown Source) 
    at java.net.Socket.connect(Unknown Source) 
    at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:321) 
    at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:237) 
    at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1927) 
    ... 16 more