e-mail header
电子邮件标题
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Perl is required for KML building, as well as extracting E-mail header information.
构建KML以及提取电子邮件标题信息需要使用Perl。
youdao
An E-mail message's structure is composed of the message header and the message body.
电子邮件的结构是由消息头和消息体组成的。
Some forge their e-mail header--the data above and below an e-mail that contains information about the recipient and sender.
FORBES: Spam Warfare
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