关于网友提出的“桌面虚拟机下安装centos然后安装opennms，当监控报警，邮件发送遇到的问题”问题疑问，本网通过在网上对“桌面虚拟机下安装centos然后安装opennms，当监控报警，邮件发送遇到的问题”有关的相关答案进行了整理，供用户进行参考，详细问题解答如下：
问题：桌面虚拟机下安装centos然后安装opennms，当监控报警，邮件发送遇到的问题
描述:
当我测试一个服务Lost时，日志文件如下：更换过163邮箱，阿里云企业邮箱，也都开启了SMTP服务，都报这个错误。
2015-06-10 18:03:05,237 ERROR [Thread-2722] o.o.n.n.JavaMailNotificationStrategy: send: Error sending notification.
org.opennms.javamail.JavaMailerException: Java Mailer messaging exception: javax.mail.MessagingException: Unknown SMTP host: smtp.sina.com ;
nested exception is:
java.net.UnknownHostException: smtp.sina.com
at org.opennms.javamail.JavaMailer.sendMessage(JavaMailer.java:458) ~[opennms-javamail-api-16.0.0.jar:?]
at org.opennms.javamail.JavaMailer.mailSend(JavaMailer.java:250) ~[opennms-javamail-api-16.0.0.jar:?]
at org.opennms.netmgt.notifd.JavaMailNotificationStrategy.send(JavaMailNotificationStrategy.java:71) [opennms-services-16.0.0.jar:?]
at org.opennms.netmgt.notifd.ClassExecutor.execute(ClassExecutor.java:69) [opennms-services-16.0.0.jar:?]
at org.opennms.netmgt.notifd.NotificationTask.run(NotificationTask.java:269) [opennms-services-16.0.0.jar:?]
Caused by: javax.mail.MessagingException: Unknown SMTP host: smtp.sina.com
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1970) ~[mail-1.4.5.jar:1.4.5]
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:642) ~[mail-1.4.5.jar:1.4.5]
at javax.mail.Service.connect(Service.java:295) ~[mail-1.4.5.jar:1.4.5]
at org.opennms.javamail.JavaMailer.sendMessage(JavaMailer.java:445) ~[opennms-javamail-api-16.0.0.jar:?]
... 4 more
这是我的配置文件内容
org.opennms.core.utils.useJMTA=false
#
# These properties define the Mail authentication.
#
#org.opennms.core.utils.authenticate=false
#org.opennms.core.utils.authenticateUser=opennms
#org.opennms.core.utils.authenticatePassword=opennms
#org.opennms.core.utils.starttls.enable=false
org.opennms.core.utils.fromaddress=wfsauto@sina.com
org.opennms.core.utils.mailHost=smtp.sina.com
org.opennms.core.utils.authenticate=true
org.opennms.core.utils.authenticateUser=wfsauto@sina.com
org.opennms.core.utils.authenticatePassword=xxxxx
org.opennms.core.utils.transport=smtp
org.opennms.core.utils.debug=true
org.opennms.core.utils.charset=UTF-8
org.opennms.core.utils.starttls.enable=false
这个问题弄了很久都没搞定，希望可以得到帮助。谢谢！
以上介绍了“桌面虚拟机下安装centos然后安装opennms，当监控报警，邮件发送遇到的问题”的问题解答，希望对有需要的网友有所帮助。
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