我正在研究一个解析电子邮件收件箱的脚本。如何判断消息部分是附件还是嵌入图像？此示例邮件是由一位用户发送的，他告诉我他的客户嵌入了图像，但 disposition="Attachment" 看起来像附加图像，我看到 AppleMail 使用“内联”，这似乎更合理......
我还检查了 msg-text 以查看它是否引用了附加的文件，但在这个示例中也没有对文件的引用——但用户坚持认为它们是嵌入的，而不是附加的。
消息结构：
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string(37) "----_=_NextPart_001_01CE168A.AE40BD2E"
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object(stdClass)#220 (12) {
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string(10) "iso-8859-1"
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string(7) "bmp.bmp"
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}