1、错误描写叙述

553 Mail from must equal authorized user

com.sun.mail.smtp.SMTPSendFailedException: 553 Mail from must equal authorized user

	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1333)

	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:906)

	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:535)

	at com.you.mail.model.SendMessage.sendMessage(SendMessage.java:71)

	at com.you.mail.model.SendMessage.main(SendMessage.java:89)

Exception in thread "main" com.sun.mail.smtp.SMTPSendFailedException: 553 Mail from must equal authorized user

	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1333)

	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:906)

	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:535)

	at com.you.mail.model.SendMessage.sendMessage(SendMessage.java:71)

	at com.you.mail.model.SendMessage.main(SendMessage.java:89)

2、错误原因

因为在做邮件发送时，登录用户和发信人必须一致。而在測试时我登录用户的邮箱是163邮箱，发信人邮箱是QQ邮箱。导致报错

3、解决的方法

保证登录人邮箱跟发信人邮箱一致，要么都用163邮箱，要么都用QQ邮箱