Secure Multipurpose Internet Mail Extensions (S/MIME) allows digital signatures to be attached to e-mail messages, such that the recipient can verify the identity of the signer.
安全多用途 Internet 邮件扩展(Secure Multipurpose Internet Mail Extensions,S/MIME)允许将数字签名附加到电子邮件消息上,这样接收方就可以验证签名者的身份。
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The solution, which makes use of the method of combining PKI with S/MIME, establishes a system of secure E-mail transfer, according to the application principle of Public Key Infrastructure(PKI).