六种发送加密邮件的最好方式（The 6 best ways to send an encrypted email）
Encrypted emails are a way for senders to ensure that their message is protected until it reaches the receiver. But, recently, several bills have popped up with the goal of making it easier for law enforcement to get access to encrypted emails.
加密电子邮件是发送者确保他们的信息在到达接收者之前受到保护的一种方式。但是，最近出现了几项旨在让执法部门更容易获取加密电子邮件的法案。
The EARN IT Act and the Lawful Access to Encrypted Data Act have been criticized for aiming to force a back door to encrypted messages or making it easier for law enforcement to gain access to encrypted data.
EARN IT Act和Lawful Access to Encrypted Data Act 被批评在为加密信息打开后门，或使执法部门更容易获取加密数据。
The new proposed back doors potentially makes encrypted emails and other messages vulnerable to not only police, but also hackers.
新提出的后门可能使加密的电子邮件和其他信息不仅容易受到警方的攻击，也容易受到黑客的攻击。
Meanwhile, people have sought out ways to send encrypted messages to try and circumvent law enforcement’s surveillance of protests.
与此同时，人们想方设法发送加密信息，试图绕过执法部门对抗议活动的监控。
For now, encryption remains the safest way to protect emails from unwanted readers.
目前，加密仍是保护电子邮件免受不受欢迎的读者攻击的最安全方法。
Here are the best third-party services to send encrypted emails.
以下是发送加密邮件的最佳第三方服务。
1) Mailvelope
Mailvelope
官网：https://www.mailvelope.com/en
This free encryption extension is available for most major email providers including Gmail and other Google Apps, Outlook, and Yahoo.
这个免费的加密扩展可用于大多数主要的电子邮件提供商，包括Gmail和其他谷歌应用程序，Outlook和雅虎。
Once added, the encryption feature will appear in the email interface.
一旦添加，加密功能将出现在电子邮件界面。
Mailvelope says on their site that even the email provider does not have access to encrypted emails through their service.
Mailvelope在他们的网站上说，即使是电子邮件提供商也不能通过他们的服务访问加密的电子邮件。
2) ProtonMail
ProtonMail
官网：https://protonmail.com/zh-Hans/
ProtonMail is one of the most popular encryption services that allows for end-to-end and PGP encryption. End-to-end encryption is a system commonly used on messaging applications which only allows for the communicators to see messages.
ProtonMail是最流行的加密服务之一，它允许端到端和PGP加密。端到端加密是消息传递应用程序中常用的一种系统，它只允许通信器查看消息。
There are free and paid plans available on ProtonMail for Android and Apple products. There is also a browser version of ProtonMail.
ProtonMail为安卓和苹果产品提供免费和付费计划。还有一个浏览器版本的ProtonMail。
There are additional features like two-step verification and phishing alerts. Phishing is a form of hacking that disguises emails as coming from a secure sender like a bank.
另外还有两步验证和钓鱼警告等功能。钓鱼是黑客攻击的一种形式，它把电子邮件伪装成来自像银行这样的安全发送者。
ProtonMail attaches to individual domains also so any person or businesses can encrypt their own emails.
ProtonMail附加到单个域名上，因此任何人或企业都可以对自己的电子邮件进行加密。
3) Sendinc
Sendinc
官网：http://docs.sendinc.com/
Sendinc is a free platform that allows users to send encrypted emails directly on site.
Sendinc是一个允许用户在网站上直接发送加密电子邮件的免费平台。
While the Sendinc has an Outlook plug-in, the stand alone site is also good for users that want to send the occasional protected email.
虽然Sendinc有一个Outlook插件，但这个独立的站点也适合那些想要发送偶尔受保护的电子邮件的用户。
The site looks like a form that requests user’s email address, recipient address, subject and message.
该站点看起来像一个表单，请求用户的电子邮件地址、收件人地址、主题和消息。
4) Tutanota
Tutanota
官网：https://www.tutanota.com/zh/
Tutanota is a niche email provider that claims to rival Gmail. The German-based company built automatic encryption directly into their service.
Tutanota是一家声称可以与Gmail竞争的小众电子邮件提供商。这家总部位于德国的公司在其服务中直接建立了自动加密功能。
Pricing ranges from free to paid plans for larger businesses and storage spaces.
对于大型企业和存储空间，价格从免费到付费不等。
In addition to encrypted emails, Tutanota includes encrypted notes, calendar and cloud storage.
除了加密的电子邮件，Tutanota还包括加密的笔记、日历和云存储。
5) Hushmail
Hushmail
官网：https://secure.hushmail.com/
Hushmail is another email provider that encrypts emails at its core. Users can send an encrypted email by checking the ‘Encrypted’ box below the subject line to a recipient of any email provider.
Hushmail是另一家核心为电子邮件加密的电子邮件提供商。用户可以通过检查标题下方的“加密”框向任何电子邮件提供商的收件人发送加密邮件。
Like many of the other third-party encryption services Hushmail uses PGP encryption.
像许多其他第三方加密服务一样，Hushmail使用PGP加密
Also, the service provides two-step verification and encourages strong passwords on its site for added security.
此外，该服务提供两步验证，并鼓励在其网站上设置强密码以增加安全性。
6) Virtru
Virtru
官网：https://www.virtru.com/
Virtru is another plug-in for major email providers. The service is free for existing Gmail and Outlook users. Other customers can set up paid plans. Companies like Netflix use Virtru, according to their website.
Virtru是另一个主要电子邮件提供商的插件。这项服务对现有的Gmail和Outlook用户是免费的。其他客户可以设置付费计划。Netflix等公司的网站显示，他们也在使用Virtru。
The security service is based of off end-to-end encryption. Encryption covers emails as well as files.
安全服务基于端到端加密。加密包括电子邮件和文件。