java 发送邮件报错 451 Sender address format error

错误信息

org.springframework.mail.MailSendException: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 451 Sender address format error.

; message exception details (1) are:
Failed message 1:
com.sun.mail.smtp.SMTPSendFailedException: 451 Sender address format error.

at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:2374)
at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1808)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1285)
at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:465)
at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:323)
at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:312)
at task.DemoApplicationTests.contextLoads(DemoApplicationTests.java:29)
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:498)

原因

收件箱地址写错了

message.setFrom("123.sina.com");
// 正确写法
message.setFrom("123@sina.com");