老师，本地服务器创建的邮箱账号想发给外面的，可以实现嘛，为什么我会报这个错误，麻烦解释一下
javax.mail.SendFailedException: Invalid Addresses; nested exception is: com.sun.mail.smtp.SMTPAddressFailedException: 550 it is a LAN mail server and cannot forward mail.
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javax.mail.SendFailedException: Invalid Addresses; nested exception is: com.sun.mail.smtp.SMTPAddressFailedException: 550 it is a LAN mail server and cannot forward mail.
2020-03-03
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