How to Make Your Email Really Secure Email is the most used communications medium for business and for many of us at home too，but few people outside IT know how to truly secure their email．Here's a quick look at some of the ways you can carry on encrypted（加密的）conversations．（1）

G

G

   Your Gmail messages being sent are encrypted．However，unless the receiver is reading email using a Google browser（瀏覽器）or Gmail app，they don't stay encrypted．And，of course，Google itself freely admits that its software reads all of your email for advertising purposes．Some programs，like the paid version of Outlook，offer an encryption feature．（2）

C

C

It requires that you and your receiver exchange something called a digital signature．
（3）

F

F

The disadvantage-and you knew there would be one-is that your receiver must also subscribe to that service，or enter a password to open each message you send．They're fine if your only secure conversations are with one or two people．（4）

E

E

   Another option for those wishing to send secure text correspondence：Don't use email at all．（5）

D

D

These apps encrypt your messages on both ends and throughout their sending．Here again，though，they limit your communication to people who also have and use those same apps．

A．Protect the machine you use email on．
B．Free accounts limit the size of your messages and attachments．
C．But setting it up takes much trouble，and surely not for the masses．
D．Instead，use a chat program like CryptoCat，ChatSecure，or PQChat．
E．But you're never going to persuade the whole world to sign up to get your emails．
F．Email providers like Tutanota，and Protonmail automatically encrypt all the mail you send．
G．The concern that your words could be stolen and used against you someday will be solved．