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  [如何使你的电子邮件真正安全] In my Scientific American column this month, I opined that email never really has been a secure communications channel -- and that, in the age of suspected Russian hacking1, Wikileaks, and countless2 other high-profile hacks3, it never will be.   But suppose you want to communicate securely. What are your options?   Here's a quick look at some of the ways you can carry on encrypted conversations, without worrying that your words could be captured and used against you someday. As you'll soon see, there's no one-click solution that can encrypt all of your correspondence all the way to your colleagues.   Gmail. Your outgoing Gmail messages are encrypted -- but they don't stay encrypted unless the recipient4 is reading email using a Google browser5 or Gmail app. And, of course, Google itself freely admits that its software reads all of your email for advertising6 purposes (not its human employees, which you may or may not believe). Outlook. Some programs, like the paid version of Outlook, offer an encryption feature. But setting it up is messy, and definitely not for the masses. It requires that you and your recipient exchange something called a digital signature, and following these 8 simple steps. Secure email services. Email providers like Tutanota, Ghostmail, and Protonmail automatically encrypt all the mail you send. The catch -- and you knew there would be one -- is that your recipient must also subscribe7 to that service, or enter a password to open each message you send. (There are free accounts, but they limit the size of your messages and attachments8.) They're fine if your only secure conversations are with one or two people, but you're never going to persuade the whole world to sign up so that they can get your emails. Chat programs. Another option for those wishing to send secure text correspondence: Don't use email at all. Instead, use a chat program like CryptoCat, ChatSecure, or PQChat. These apps encrypt your messages on both ends and throughout their transmission. Here again, though, they limit your communication to people who also have and use those same apps.
  第2篇 中国观众不满夏洛克第四季
  〖预览〗 The latest series of British drama Sherlock has received over six million viewings on China's video streaming site Youku.com and generated heated discussions since it was released on January 1.   英剧《神探夏洛克》第四季自1月1日在中国上映以来,已在视频网站优酷播放600多万次。     Yet many Chinese fans and mainstream1 media say they find the fourth season not as attractive as its predecessors2.   The current season as usual includes a total of three episodes, with one episode being aired so far, which fans say has given too much ink to the characters' emotions and too le……【全文阅读:中国观众不满夏洛克第四季
  第3篇 华为Mate9将在美国发售
  〖预览〗 Huawei, the world's third-largest smartphone manufacturer, will began sales of its Mate 9 smartphones in the United States on Jan. 6th.   世界第三大智能手机制造商华为将于1月6日在美国发售Mate 9智能手机。   This is Huawei's first foray into the U.S. top-end smartphone market.   The launch of the Mate 9 in the U.S., one of the largest smartphone markets in the world, is said to be part of the Chinese technology giant's effort to sell more high-end devices to take on Samsung and Apple in the global smartphone market. In 2015, Huawei became the world's third-larg……【全文阅读:华为Mate9将在美国发售】   〔如何使你的电子邮件真正安全
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