encrypt your communications with pki etc - for email this is a bit drastic and can be very expensive especially since you will need to install a key on each pc and coordinate this with the receivers of your email messages your it organization etc
用pki等加密你的通信——对于电子邮件来说，这有点极端，可能非常昂贵，特别是因为你需要在每台电脑上安装一个密钥，并与你的电子邮件信息的接收者、it组织等进行协调
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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