java Mail 发送外部邮件失败，求解,

Posted 2023-05-12

javaMail版本1.4 如果通过javaMail向内部的exchange邮箱发邮件是能发出去的.
但是如果向163,QQ等邮箱发邮件的话会报以下错误
javax.mail.SendFailedException: Invalid Addresses;
nested exception is:
com.sun.mail.smtp.SMTPAddressFailedException: 550 5.7.1 Unable to relay
at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1196)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:584)
at com.smartdot.mau.mail.MailSend.sendhtmlMail(MailSend.java:308)
at com.smartdot.mau.thread.SendMailThread.run(SendMailThread.java:34)
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:662)
Caused by: com.sun.mail.smtp.SMTPAddressFailedException: 550 5.7.1 Unable to relay
at com.sun.mail.smtp.SMTPTransport.rcptTo(SMTPTransport.java:1047)
... 6 more
用163邮箱可以通过javamail代码向其他邮箱发送邮件，但是用公司自己内部的邮箱就报这个错，但是我用foxmail登陆公司邮箱然后发送给其他的邮箱就不行，一直报这个错

有可能是你发送邮箱的设置有误。可查下serverHost是否有误。 参考技术A 可能被防火墙或者杀毒软件拦截了

jenkins 发送邮件失败

jenkins 配置发送邮件，发送测试邮件，邮件发送失败：

Failed to send out e-mail

javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25;
  nested exception is:
	java.net.ConnectException: Connection refused: connect

	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1934)

	at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:638)

	at javax.mail.Service.connect(Service.java:295)

	at javax.mail.Service.connect(Service.java:176)

	at javax.mail.Service.connect(Service.java:125)

	at javax.mail.Transport.send0(Transport.java:194)

	at javax.mail.Transport.send(Transport.java:124)

	at hudson.tasks.Mailer$DescriptorImpl.doSendTestMail(Mailer.java:581)

	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

	at java.lang.reflect.Method.invoke(Method.java:497)

	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:335)

	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:175)