MimeMessage邮件优先级setHeader

message.setHeader("Priority","High");


Precedence    重要度    [bulk|first-class|list]
Prevent-Nondelivery-Report
Priority    重要度    [High|Normal|Low]

Precedence    重要度    [bulk|first-class|list]
Prevent-Nondelivery-Report
Priority    重要度    [High|Normal|Low]

 

 

参考:

https://blog.csdn.net/hantiannan/article/details/7458660

https://docs.oracle.com/javaee/7/api/javax/mail/internet/MimeMessage.html#setHeader-java.lang.String-java.lang.String-

https://cloud.tencent.com/developer/ask/186772

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