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[英]Why senders email does not show up while using javaMail API in JSP?
[英]Why does javamail API have an array of senders for messages?
第两个是直接来自api:
(此属性=相关电子邮件的“发件人”属性)
1) This method returns null if this attribute is not present in this message.
2) Returns an empty array if this attribute is present, but contains no addresses.
3)它检查电子邮件的“发件人”字段,并返回一个地址对象数组,每个对象在该字段中找到一个地址。 因此,当列出多个“发件人”时,它将返回一个大小> 1的数组
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