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bdf319c4
AIC		 1<!DOCTYPE html>
2<html>
3 <head>
668de811 4 <meta http-equiv="content-type" content="text/html; charset=utf-8" />
0a225228 5
614e3bf4 6 <title>Email Self-Defense - a guide to fighting surveillance with GnuPG encryption</title>
e4a684cf 7 <meta name="keywords" content="GnuPG, GPG, openpgp, surveillance, privacy, email, Enigmail" />
c1ea5176 8 <meta name="description" content="Email surveillance violates our fundamental rights and makes free speech risky. This guide will teach you email self-defense in 30 minutes with GnuPG." />
2cb815ae 9
c1ea5176
TG		 10 <meta name="viewport" content="width=device-width, initial-scale=1" />
11 <link rel="stylesheet" href="//static.fsf.org/nosvn/enc-dev0/css/main.css" />
f65fbc20 12 <link rel="shortcut icon" href="//static.fsf.org/nosvn/enc-dev0/img/favicon.ico" />
05bfcb9e 13
bdf319c4
AIC		 14 </head>
15 <body>
6c495e2d 16
2cb815ae 17<!-- ~~~~~~~~~ GnuPG Header and introduction text ~~~~~~~~~ -->
9176cae7 18
b9b57d1a 19 <header class="row" id="header">
bdf319c4 20 <div>
b3ec2c8d 21 <h1>Email Self-Defense</h1>
5a426655 22
b3ec2c8d
DT		 23 <!-- Language list for browsers that do not have JS enabled -->
24 <ul id="languages" class="os">
25 <li><a class="current" href="/en">english</a></li>
c5d213fc 26 <li><a href="/es">español</a></li>
b3ec2c8d
DT		 27 <li><a href="/fr">français</a></li>
28 <li><a href="/de">deutsch</a></li>
c5d213fc 29 <li><a href="/it">italiano</a></li>
b3ec2c8d
DT		 30 <li><a href="/pt-br">português do Brasil</a></li>
31 <li><a href="/tr">türkçe</a></li>
c5d213fc 32 <li><a href="/ro">română</a></li>
b3ec2c8d 33 <li><a href="/ru">русский</a></li>
8fd4a69a 34 <!--<li><a href="/ml">മലയാളം</a></li>-->
d27e43aa 35 <!--<li><a href="/ko">한국어</a></li>-->
b3ec2c8d 36 <li><a href="/ja">日本語</a></li>
c5d213fc 37 <li><a href="/el">ελληνικά</a></li>
8f538927 38 <!--<li><a href="/ar">العربية</a></li>-->
b3ec2c8d 39 </ul>
5a426655 40
b3ec2c8d
DT		 41 <ul id="menu" class="os">
42 <li class="spacer">
43 <a href="index.html" class="current">GNU/Linux</a>
44 </li>
45 <li>
46 <a href="mac.html">Mac OS</a>
47 </li>
48 <li>
49 <a href="windows.html">Windows</a>
50 </li>
80ef766e 51
b3ec2c8d 52 <li class="spacer">
f367a743
TG		 53 <a href="https://fsf.org/share?u=https://u.fsf.org/zb&amp;t=Email encryption for everyone via %40fsf">
54 Share&nbsp;
db57ca22 55 <img src="//static.fsf.org/nosvn/enc-dev0/img/gnu-social.png"
44a50574 56 class="share-logo" alt="[GNU Social]">&nbsp;
3e6a8fb6 57 <img src="//static.fsf.org/nosvn/enc-dev0/img/pump.io.png"
44a50574 58 class="share-logo" alt="[Pump.io]">&nbsp;
3e6a8fb6 59 <img src="//static.fsf.org/nosvn/enc-dev0/img/reddit-alien.png"
44a50574 60 class="share-logo" alt="[Reddit]">&nbsp;
3e6a8fb6 61 <img src="//static.fsf.org/nosvn/enc-dev0/img/hacker-news.png"
44a50574
DT		 62 class="share-logo" alt="[Hacker News]">
63 </a>
ae5aaaee 64 </li>
b592e92f 65 <li class="spacer">V4.0</li>
b3ec2c8d 66 </ul>
6b62e8bb 67
2378bdbf 68 <!-- ~~~~~~~~~ FSF Introduction ~~~~~~~~~ -->
c919b2d2 69 <div id="fsf-intro">
06d022ce
DT		 70 <h3>
71 <a href="http://u.fsf.org/ys">
72 <img alt="Free Software Foundation"
c1ea5176 73 src="//static.fsf.org/nosvn/enc-dev0/img/fsf-logo.png" />
06d022ce
DT		 74 </a>
75 </h3>
76 <div class="fsf-emphasis">
77 <p>
b3d5c595 78 We fight for computer users' rights, and promote the development of free (as in freedom) software. Resisting bulk surveillance is very important to us.
06d022ce
DT		 79 </p>
80 <p>
81 <strong>
d8ced2c3 82 We want to translate this guide into more languages, and make a version for encryption on mobile devices. Please donate, and help people around the world take the first step towards protecting their privacy with free software.
06d022ce
DT		 83 </strong>
84 </p>
85 </div>
36e7b21f 86
45cff628 87 <p><a href="https://crm.fsf.org/civicrm/contribute/transact?reset=1&amp;id=14&amp;pk_campaign=email_self_defense&amp;pk_kwd=guide_donate"><img alt="Donate" src="//static.fsf.org/nosvn/enc-dev0/img/en/donate.png" /></a> </p>
06d022ce 88
2378bdbf
AIC		 89 </div><!-- End #fsf-intro -->
90
399c9783
AIC		 91 <!-- ~~~~~~~~~ Guide Introduction ~~~~~~~~~ -->
92 <div class="intro">
bf4eb540 93 <p>
de0ab142 94 <a id="infographic" href="infographic.html"><img src="//static.fsf.org/nosvn/enc-dev0/img/en/infographic-button.png" alt="View &amp; share our infographic &rarr;" /></a>
7fe1d11a 95 Bulk surveillance violates our fundamental rights and makes free speech risky. This guide will teach you a basic surveillance self-defense skill: email encryption. Once you've finished, you'll be able to send and receive emails that are scrambed to make sure a surveillance agent or thief intercepting your email can't read it. All you need is a computer with an Internet connection, an email account, and about half an hour.</p>
0fe6e02e
ZR		 96
97<p>Even if you have nothing to hide, using encryption helps protect the privacy of people you communicate with, and makes life difficult for bulk surveillance systems. If you do have something important to hide, you're in good company; these are the same tools that Edward Snowden used to share his famous secrets about the NSA.</p>
98
7fe1d11a 99<p>In addition to using encryption, standing up to surveillance requires fighting politically for a <a href="http://gnu.org/philosophy/surveillance-vs-democracy.html">reduction in the amount of data collected on us</a>, but the essential first step is to protect yourself and make surveillance of your communication as difficult as possible. This guide helps you do that. If you're just starting out, don't worry about reading the "advanced" tips; they're completely non-essential to getting you up and running. Let's get started!</p>
f56da436 100
946f0ee1 101 </div><!-- End .intro -->
0a225228 102
bdf319c4 103 </div>
6c495e2d
AIC		 104 </header><!-- End #header -->
105
2cb815ae 106<!-- ~~~~~~~~~ Section 1: Get the pieces ~~~~~~~~~ -->
6c495e2d 107 <section class="row" id="section1">
bdf319c4 108 <div>
5c207a4d 109 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
2378bdbf 110 <div class="section-intro">
2378bdbf 111 <h2><em>#1</em> Get the pieces</h2>
1b319a0f 112<p class="notes">This guide relies on software which is freely licensed; it's completely transparent and anyone can copy it or make their own version. This makes it safer from surveillance than proprietary software (like Windows). Learn more about free software at <a href="https://u.fsf.org/ys">fsf.org</a>.</p>
8015decf 113
57f57e85 114<p>Most GNU/Linux operating systems come with GnuPG installed on them, so you don't have to download it. Before configuring GnuPG though, you'll need the IceDove desktop email program installed on your computer. Most GNU/Linux distributions have IceDove installed already, though it may be under the alternate name "Thunderbird." Email programs are another way to access the same email accounts you can access in a browser (like Gmail), but provide extra features.</p>
e7485dc5 115 <p>If you already have an email program, you can skip to <a href="#step-1b">Step 1.b</a>.</p>
2378bdbf 116 </div><!-- End .section-intro -->
dbd3bf12 117
2cb815ae 118 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
2378bdbf 119 <div id="step-1a" class="step">
2cb815ae 120 <div class="sidebar">
de0ab142 121 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1a-install-wizard.png" alt="Step 1.A: Install Wizard" /></p>
2cb815ae 122 </div><!-- /.sidebar -->
2378bdbf 123 <div class="main">
e7485dc5 124 <h3><em>Step 1.a</em> Setup your email program with your email account</h3>
7fe1d11a 125 <p>Open your email program and follow the wizard (step-by-step walkthrough) that sets it up with your email account. Look for the letters SSL, TLS, or STARTTLS to the right of the servers when you're setting up your account. If you don't see them, you will still be able to use encryption, but this means that the people running your email system are running behind the industry standard in protecting your security and privacy. We recommend that you send them a friendly email asking them to enable SSL, TLS, or STARTTLS for your email server.</p>
0a225228 126
2cb815ae
AIC		 127 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
128 <div class="troubleshooting">
129 <h4>Troubleshooting</h4>
130 <dl>
c8a248b8
ZR		 131 <dt>The wizard doesn't launch</dt>
132 <dd>You can launch the wizard yourself, but the menu option for doing so is named differently in each email programs. The button to launch it will be in the program's main menu, under "New" or something similar, titled something like "Add account" or "New/Existing email account."</dd>
133 <dt>The wizard can't find my account or isn't downloading my mail</dt>
a60a6e36 134 <dd>Before searching the Web, we recommend you start by asking other people who use your email system, to figure out the correct settings.</dd>
ba2db35a
AIC		 135 <dt class="feedback">Don't see a solution to your problem?</dt>
136 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
2cb815ae
AIC		 137 </dl>
138 </div><!-- /.troubleshooting -->
139
2378bdbf
AIC		 140 </div><!-- End .main -->
141 </div><!-- End #step1-a .step -->
6c495e2d 142
2378bdbf 143 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
f44dd62f 144 <div id="step-1b" class="step">
b7e5df33 145 <div class="sidebar">
f44dd62f 146 <ul class="images">
de0ab142
DT		 147 <li><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1b-01-tools-addons.png" alt="Step 1.B: Tools -> Add-ons" /></li>
148 <li><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1b-02-search.png" alt="Step 1.B: Search Add-ons" /></li>
149 <li><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step1b-03-install.png" alt="Step 1.B: Install Add-ons" /></li>
f44dd62f 150 </ul>
f584fc69
AIC		 151 </div><!-- /.sidebar -->
152 <div class="main">
153 <h3><em>Step 1.b</em> Install the Enigmail plugin for your email program</h3>
e7485dc5 154 <p>In your email program's menu, select Add-ons (it may be in the Tools section). Make sure Extensions is selected on the left. Do you see Enigmail? If so, skip this step.</p>
2378bdbf
AIC		 155 <p>If not, search "Enigmail" with the search bar in the upper right. You can take it from here. Restart your email program when you're done.</p>
156 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
157 <div class="troubleshooting">
158 <h4>Troubleshooting</h4>
159 <dl>
1e72473c
ZR		 160 <dt>I can't find the menu.</dt>
161 <dd>In many new email programs, the main menu is represented by an image of three stacked horizontal bars.</dd>
61bbfa91 162
ba2db35a
AIC		 163 <dt class="feedback">Don't see a solution to your problem?</dt>
164 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
2378bdbf
AIC		 165 </dl>
166 </div><!-- /.troubleshooting -->
167 </div><!-- End .main -->
f44dd62f 168 </div><!-- End #step-1b .step -->
bdf319c4 169 </div>
6c495e2d 170 </section><!-- End #section1 -->
bdf319c4 171
2cb815ae 172<!-- ~~~~~~~~~ Section 2: Make your keys ~~~~~~~~~ -->
6c495e2d 173 <section class="row" id="section2">
bdf319c4 174 <div>
5c207a4d 175 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
2378bdbf 176 <div class="section-intro">
bdf319c4 177 <h2><em>#2</em> Make your keys</h2>
bbfaa44d 178 <p>To use the GnuPG system, you'll need a public key and a private key (known together as a keypair). Each is a long string of randomly generated numbers and letters that are unique to you. Your public and private keys are linked together by a special mathematical function.</p>
f56da436
ZR		 179
180<p>Your public key isn't like a physical key, because it's stored in the open in an online directory called a keyserver. People download it and use it, along with GnuPG, to encrypt emails they send to you. You can think of the keyserver as phonebook, where people who want to send you an encrypted email look up your public key.</p>
181
79bc3425 182<p>Your private key is more like a physical key, because you keep it to yourself (on your computer). You use GnuPG and your private key to descramble encrypted emails other people send to you. In addition to encryption and decryption, you can also use these keys to sign messages and check the authenticity of other people's signatures. This process helps stop impersonators. We'll discuss this more on the next section.</p>
2378bdbf 183 </div><!-- End .section-intro -->
6c495e2d 184
2cb815ae 185 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
2378bdbf
AIC		 186 <div id="step-2a" class="step">
187 <div class="sidebar">
de0ab142 188 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/step2a-01-make-keypair.png" alt="Step 2.A: Make a Keypair" /></p>
2378bdbf
AIC		 189 </div><!-- /.sidebar -->
190 <div class="main">
191 <h3><em>Step 2.a</em> Make a keypair</h3>
e7485dc5 192 <p>The Enigmail Setup wizard may start automatically. If it doesn't, select Enigmail &rarr; Setup Wizard from your email program's menu. You don't need to read the text in the window that pops up unless you'd like to, but it's good to read the text on the later screens of the wizard. Click Next with the default options selected, except in these instances:</p>
a632ae17 193<ul>
06f59232
ZR		 194 <li>On the screen titled "Encryption," select "Encrypt all of my messages by default, because privacy is critical to me."</li>
195 <li>On the screen titled "Signing," select "Don't sign my messages by default."</li>
a9b758ff 196 <li>On the screen titled "Key Selection," select "I want to create a new key pair for signing and encrypting my email."</li>
7fe1d11a 197 <li>On the screen titled "Create Key," pick a strong password! Your password should be at least 12 characters and include at least one lower case and upper case letter and at least one number or punctuation symbol. Always assume surveillance agents can figure out your online passwords, so never reuse passwords for GnuPG elsewhere. Don't forget the password, or all this work will be wasted!</li>
a632ae17 198</ul>
034f3546 199 <p class="notes">The program will take a little while to finish the next step, the "Key Creation" screen. While you wait, do something else with your computer, like watching a movie or browsing the Web. The more you use the computer at this point, the faster the key creation will go.</p>
688dc100 200 <p><span style="font-weight: bold;">When the "Key Generation Completed" screen pops up, select Generate Certificate and choose to save it in a safe place on your computer (we recommend making a folder called "Revocation Certificate" in your home folder and keeping it there). This step is essential for your email self-defense, as you'll learn more about in <a href="#section5">Section 5</a>.</span></p>
6c495e2d 201
50aa6a31 202
2378bdbf
AIC		 203 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
204 <div class="troubleshooting">
205 <h4>Troubleshooting</h4>
206 <dl>
2ba31b7b
ZR		 207 <dt>I can't find the Enigmail menu.</dt>
208 <dd>In many new email programs, the main menu is represented by an image of three stacked horizontal bars. Enigmail may be inside a section called Tools.</dd>
61bbfa91
ZR		 209 <dt>The wizard says that it cannot find GnuPG.</dt>
210
2ba31b7b 211 <dd>Open whatever program you usually use for installing software, and search for GnuPG, then install it. Then restart the Enigmail setup wizard by going to Enigmail &rarr; Setup Wizard.</dd>
3233362f 212 <dt>More resources</dt>
0949b4e8
AL		 213 <dd>If you're having trouble with our instructions or just want to learn more, check out <a href="https://enigmail.wiki/Key_Management#Generating_your_own_key_pair">Enigmail's wiki instructions for key generation</a>.</dd>
214
215
0a225228 216
ba2db35a
AIC		 217 <dt class="feedback">Don't see a solution to your problem?</dt>
218 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
2378bdbf
AIC		 219 </dl>
220 </div><!-- /.troubleshooting -->
7fe1d11a 221 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
18d05e65 222
7fe1d11a
AL		 223 <div class="troubleshooting">
224 <h4>Advanced</h4>
225 <dl>
226 <dt>Strong Passphrases with Diceware</dt>
25bcf5c3 227 <dd>Human-made passwords tend to either be very easy to guess, or difficult to memorise and easy to forget. Fortunately, if your privacy is more important to you than an extra 10 to 15 minutes of your time, you can use dice to come up with a password which is both strong and memorable using the 'diceware' method.</dd>
b592e92f 228
9db171b0 229<dd>To use the diceware method, you will need dice (preferably 5, but 1 will do) and <a href="http://world.std.com/~reinhold/diceware.wordlist.asc">this list of words</a>. Do not substitute computer dice for physical dice. Notice that each word on the word list corresponds to a unique five-digit number. Role one dice five times, or five dice once to select the first word. Don't rearrange or discard words, because doing so makes the process much less secure. Repeat this process until you have at least six words, and there's your password.</dd>
ce7ffcf0 230
e9c69538 231 <dt>Command line key generation</dt>
b3e65ce4 232 <dd>If you prefer using the command line for a higher degree of control, you can follow the documentation from the <a href="http://www.dewinter.com/gnupg_howto/english/GPGMiniHowto-3.html#ss3.1">GnuPG Mini Howto</a> or <a href="https://www.gnupg.org/gph/en/manual/c14.html#AEN25">The GNU Privacy Handbook</a>. Make sure you stick with "RSA and RSA" (the default), because it's newer and more secure than the algorithms recommended in the old previously mentioned documentation.</dd>
18d05e65 233
e5774e67 234 <dt>Advanced key pairs</dt>
2bbef580 235 <dd>When GnuPG creates a new keypair, it compartmentalizes the encryption function from the signing function through <a href="https://wiki.debian.org/Subkeys">subkeys</a>. If you use subkeys carefully, you can keep your GnuPG identity much more secure and recover from a compromised key much more quickly. <a href="https://alexcabal.com/creating-the-perfect-gpg-keypair/">Alex Cabal</a> and <a href="http://keyring.debian.org/creating-key.html">the Debian wiki</a> provide good guides for setting up a secure subkey configuration.</dd>
29db7a83 236 </dl>
7fe1d11a 237 </div><!-- /.troubleshooting -->
18d05e65
AL		 238 </div><!-- End .main -->
239 </div><!-- End #step-2a .step -->
7fe1d11a
AL		 240
241
242
548ae59b 243 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
8bd50444
ZR		 244 <div id="step-2b" class="step">
245 <div class="main">
246 <h3><em>Step 2.b</em> Upload your public key to a keyserver</h3>
2ba31b7b 247 <p>In your email program's menu, select Enigmail &rarr; Key Management.</p>
8bd50444 248<p>Right click on your key and select Upload Public Keys to Keyserver. Use the default keyserver in the popup.</p>
7a3d8912 249<p class="notes">Now someone who wants to send you an encrypted message can download your public key from the Internet. There are multiple keyservers that you can select from the menu when you upload, but they are all copies of each other, so it doesn't matter which one you use. However, it sometimes takes a few hours for them to match each other when a new key is uploaded.</p>
8bd50444
ZR		 250 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
251 <div class="troubleshooting">
252 <h4>Troubleshooting</h4>
253 <dl>
1536eb6d 254 <dt>The progress bar never finishes.</dt>
66a99343 255 <dd>Close the upload popup, make sure you are connected to the Internet, and try again. If that doesn't work, try again, selecting a different keyserver.</dd>
f0264d3e 256<dt>My key doesnt appear in the list</dt>
b40f9711 257 <dd>Try checking "Display All Keys by Default."</dd>
aa30907c
AL		 258 <dt>More documentation</dt>
259 <dd>If you're having trouble with our instructions or just want to learn more, check out <a href="https://www.enigmail.net/documentation/quickstart-ch2.php#id2533620">Enigmail's documentation</a>.</dd>
a60a6e36 260
8bd50444
ZR		 261 <dt class="feedback">Don't see a solution to your problem?</dt>
262 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
601e0398 263
8bd50444
ZR		 264 </dl>
265 </div><!-- /.troubleshooting -->
a89b83c2
AL		 266
267 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
268 <div class="troubleshooting">
269 <h4>Advanced</h4>
270 <dl>
20358d5b 271 <dt>Uploading a key from the command line</dt>
06fc6c49 272 <dd>You can also upload your keys to a keyserver through the <a href="https://help.ubuntu.com/community/GnuPrivacyGuardHowto#Uploading_the_key_to_Ubuntu_keyserver">command line</a>. <a href="https://sks-keyservers.net/overview-of-pools.php">This webpage</a> maintains a list highly interconnected keyservers. You can also <a href="https://www.gnupg.org/gph/en/manual/x56.html#AEN64">directly export your key</a> as a file on your computer.</dd>
a89b83c2
AL		 273
274 </dl>
275 </div><!-- /.troubleshooting -->
8bd50444 276 </div><!-- End .main -->
d8b88fc2 277 </div><!-- End #step-2b .step -->
e155c686 278
548ae59b
ZR		 279 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
280 <div id="terminology" class="step">
281 <div class="main">
282 <h3>GnuPG, OpenPGP, what?</h3>
2ba31b7b 283 <p>In general, the terms GnuPG, GPG, GNU Privacy Guard, OpenPGP and PGP are used interchangeably. Technically, OpenPGP (Pretty Good Privacy) is the encryption standard, and GNU Privacy Guard (often shortened to GPG or GnuPG) is the program that implements the standard. Enigmail is a plug-in program for your email program that provides an interface for GnuPG.</p>
548ae59b
ZR		 284 </div><!-- End .main -->
285 </div><!-- End #terminology.step-->
286
8bd50444 287
bdf319c4 288 </div>
6c495e2d 289 </section><!-- End #section2 -->
bdf319c4 290
2cb815ae 291<!-- ~~~~~~~~~ Section 3: Try it out ~~~~~~~~~ -->
6c495e2d 292 <section class="row" id="section3">
bdf319c4 293 <div>
5c207a4d 294 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
2378bdbf 295 <div class="section-intro">
2378bdbf 296 <h2><em>#3</em> Try it out!</h2>
6fdf67de
ZR		 297 <p>Now you'll try a test correspondence with a computer program named Edward, which knows how to use encryption. Except where noted, these are the same steps you'd follow when corresponding with a real, live person.</p>
298
04b5d6d7 299 <!-- <p>NOTE: Edward is currently having some technical difficulties, so he may take a long time to respond, or not respond at all. We're sorry about this and we're working hard to fix it. Your key will still work even without testing with Edward.</p> -->
3568a584 300 </div><!-- End .section-intro -->
5c207a4d 301
2cb815ae 302 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
2378bdbf
AIC		 303 <div id="step-3a" class="step">
304 <div class="sidebar">
de0ab142 305 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section3-try-it-out.png" alt="Try it out." /></p>
2378bdbf
AIC		 306 </div><!-- /.sidebar -->
307 <div class="main">
b3d5c595 308 <h3><em>Step 3.a</em> Send Edward your public key</h3>
2ba31b7b 309 <p>This is a special step that you won't have to do when corresponding with real people. In your email program's menu, go to Enigmail &rarr; Key Management. You should see your key in the list that pops up. Right click on your key and select Send Public Keys by Email. This will create a new draft message, as if you had just hit the Write button.</p>
43bd32d7 310
1dd15497 311<p>Address the message to edward-en@fsf.org. Put at least one word (whatever you want) in the subject and body of the email. Don't send yet.</p>
c8a248b8
ZR		 312
313<p>There should be an icon of a yellow key in the bottom right of the composition window. This means that encryption is on, however, we want this first special message to Edward to be unencrypted. Click the key icon once to turn encryption off. The key should become grey, with a blue dot on it (to alert you that the setting has been changed from the default). Once encryption is off, hit Send.</p>
43bd32d7 314
b3d5c595 315<p class="notes">It may take two or three minutes for Edward to respond. In the meantime, you might want to skip ahead and check out the <a href="#section5">Use it Well</a> section of this guide. Once he's responded, head to the next step. From here on, you'll be doing just the same thing as when corresponding with a real person.</p>
c8a248b8
ZR		 316
317<p>When you open Edward's reply, Enigmail may prompt you for your password before using your private key to decrypt it.</p>
2378bdbf 318 </div><!-- End .main -->
d8b88fc2 319 </div><!-- End #step-3a .step -->
6c495e2d 320
2cb815ae 321 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
5c207a4d
AIC		 322 <div id="step-3b" class="step">
323 <div class="main">
324 <h3><em>Step 3.b</em> Send a test encrypted email</h3>
c8a248b8 325 <p>Write a new email in your email program, addressed to edward-en@fsf.org. Make the subject "Encryption test" or something similar and write something in the body.</p>
d77ed4f0 326 <p>The key in the bottom right of the window should be yellow, meaning encryption is on. This will be your default from now on.</p>
d325c924 327 <p class="notes">Next to the key, you'll notice an icon of a pencil. Clicking this tells Enigmail to add a special, unique signature to your message, generated using your private key. This is a separate feature from encryption, and you don't have to use it for this guide.</p>
5c207a4d
AIC		 328 <p>Click Send. Enigmail will pop up a window that says "Recipients not valid, not trusted or not found."</p>
329
357dc69d 330 <p>To encrypt an email to Edward, you need his public key, so now you'll have Enigmail download it from a keyserver. Click Download Missing Keys and use the default in the pop-up that asks you to choose a keyserver. Once it finds keys, check the first one (Key ID starting with C), then select ok. Select ok in the next pop-up.</p>
5c207a4d 331
c8a248b8 332 <p>Now you are back at the "Recipients not valid, not trusted or not found" screen. Check the box in front of Edward's key and click Send.</p>
97925583
ZR		 333
334<p class="notes">Since you encrypted this email with Edward's public key, Edward's private key is required to decrypt it. Edward is the only one with his private key, so no one except him &mdash; not even you &mdash; can decrypt it.</p>
5c207a4d
AIC		 335 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
336 <div class="troubleshooting">
337 <h4>Troubleshooting</h4>
338 <dl>
b3d5c595 339 <dt>Enigmail can't find Edward's key</dt>
7a944c0b 340 <dd>Close the pop-ups that have appeared since you clicked Send. Make sure you are connected to the Internet and try again. If that doesn't work, repeat the process, choosing a different keyserver when it asks you to pick one.</dd>
47a7a924
AL		 341 <dt>More resources</dt>
342 <dd>If you're still having trouble with our instructions or just want to learn more, check out <a href="https://enigmail.wiki/Signature_and_Encryption#Encrypting_a_message">Enigmail's wiki</a>.</dd>
ba2db35a
AIC		 343 <dt class="feedback">Don't see a solution to your problem?</dt>
344 <dd class="feedback">Please let us know on the <a href="https://libreplanet.org/wiki/GPG_guide/Public_Review">feedback page</a>.</dd>
5c207a4d
AIC		 345 </dl>
346 </div><!-- /.troubleshooting -->
c2e62b61 347
fbe7d6de 348
0b3124d7
AL		 349 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
350 <div class="troubleshooting">
045aa237 351 <h4>Advanced</h4>
0b3124d7 352 <dl>
e9c69538
AL		 353 <dt>Encrypt messages from the command line</dt>
354 <dd>You can also encrypt and decrypt messages and files form the <a href="https://www.gnupg.org/gph/en/manual/x110.html">command line</a>, if that's your preference.</dd>
0b3124d7
AL		 355 </dl>
356 </div><!-- /.troubleshooting -->
c2e62b61 357
1ed61be5 358
5c207a4d
AIC		 359 </div><!-- End .main -->
360 </div><!-- End #step-3b .step -->
43bd32d7 361
8bd50444
ZR		 362 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
363 <div id="step-headers_unencrypted" class="step">
364 <div class="main">
6e1b0fa2 365 <h3><em>Important:</em> Security tips</h3>
452ac60c 366 <p>Even if you encrypt your email, the subject line is not encrypted, so don't put private information there. The sending and receiving addresses aren't encrypted either, so a surveillance system can still figure out who you're communicating with. Also, surveillance agents will know that you're using GnuPG, even if they can't figure out what you're saying. When you send attachments, Enigmail will give you an option of whether you want to encrypt them.</p>
7a944c0b 367
8bd50444
ZR		 368 </div><!-- End .main -->
369 </div><!-- End #step-headers_unencrypted .step-->
370
371
43bd32d7
ZR		 372 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
373 <div id="step-3c" class="step">
374 <div class="main">
375 <h3><em>Step 3.c</em> Receive a response</h3>
97925583 376 <p>When Edward receives your email, he will use his private key to decrypt it, then use your public key (which you sent him in <a href="#step-3a">Step 3.A</a>) to encrypt his reply to you.</p>
668de811 377
b3d5c595
ZR		 378 <p class="notes">It may take two or three minutes for Edward to respond. In the meantime, you might want to skip ahead and check out the <a href="#section5">Use it Well</a> section of this guide.</p>
379 <p>When you receive Edward's email and open it, Enigmail will automatically detect that it is encrypted with your public key, and then it will use your private key to decrypt it.</p>
380 <p>Notice the bar that Enigmail shows you above the message, with information about the status of Edward's key.</p>
2378bdbf 381 </div><!-- End .main -->
43bd32d7 382 </div><!-- End #step-3c .step -->
6c495e2d 383
b089aab1 384
43bd32d7 385 <div id="step-3d" class="step">
2378bdbf 386 <div class="main">
43bd32d7 387 <h3><em>Step 3.d</em> Send a test signed email to a friend</h3>
20358d5b 388 <p>GnuPG includes a way for you to sign messages and files, verifying that they came from you and that they weren't tampered with along the way. These signatures are stronger than their pen-and-paper cousins -- they're impossible to forge, because they're impossible to create without your private key (another reason to keep your private key safe).</p>
b089aab1
AL		 389
390 <p>You can sign messages to anyone (including people who haven't created their own keypair!) so it's a great way to promote GnuPG. To sign an email to a friend, click the pencil icon next to the lock icon so that it turns gold.If you sign a message, Enigmail will ask you for your password before it sends the message off. I will do this every time it needs to use your private key.</p>
391
392 <p>When the pencil is gold but the lock is grey, the email will be signed but not encrypted. When the pencil is grey and the lock is gold, the email will be encrypted but not signed. When they're both gold, the email will be signed and encrypted.</p>
d351e1bf 393 </div>
b089aab1 394 </div>
bdf319c4 395 </div>
b089aab1 396 </section>
61bbfa91 397
bdf319c4 398
2cb815ae 399<!-- ~~~~~~~~~ Section 4: Learn the Web of Trust ~~~~~~~~~ -->
6c495e2d 400 <section class="row" id="section4">
bdf319c4 401 <div>
5c207a4d 402 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
2378bdbf 403 <div class="section-intro">
2378bdbf 404 <h2><em>#4</em> Learn the Web of Trust</h2>
b0ce405b 405 <p>Email encryption is a powerful technology, but it has a weakness; it requires a way to verify that a person's public key is actually theirs. Otherwise, there would be no way to stop an attacker from making an email address with your friend's name, creating keys to go with it and impersonating your friend. That's why the free software programmers that developed email encryption created keysigning and the Web of Trust.</p>
eacb2880 406
cc97ef23 407<p>When you sign someone's key, you are publicly saying that you trust that it belongs to them and not an impostor. Signing keys and messages is the same type mathematical operation, but they carry very different implications. It's a good practice to generally sign your email, but if you casually sign people's keys, you may accidently end up vouching for the identity of an imposter. People who use your public key can see who has signed it. Once you've used GnuPG for a long time, you may have hundreds of signatures. The Web of Trust is a constellation of GnuPG users, connected to each other by chains of trust expressed through signatures. The more signatures of people you trust a key has, the more trustworthy that key is.</p>
eacb2880 408
6ce3ff70 409
eacb2880 410
2378bdbf 411 </div><!-- End .section-intro -->
6c495e2d 412
2cb815ae 413 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
2378bdbf
AIC		 414 <div id="step-4a" class="step">
415 <div class="sidebar">
de0ab142 416 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section4-web-of-trust.png" alt="Section 4: Web of Trust" /></p>
2378bdbf
AIC		 417 </div><!-- /.sidebar -->
418 <div class="main">
419 <h3><em>Step 4.a</em> Sign a key</h3>
2ba31b7b 420 <p>In your email program's menu, go to Enigmail &rarr; Key Management.</p>
b3d5c595 421 <p>Right click on Edward's public key and select Sign Key from the context menu.</p>
66a99343 422 <p>In the window that pops up, select "I will not answer" and click ok.</p>
c8a248b8 423 <p>Now you should be back at the Key Management menu. Select Keyserver &rarr; Upload Public Keys and hit ok.</p>
b3d5c595 424 <p class="notes">You've just effectively said "I trust that Edward's public key actually belongs to Edward." This doesn't mean much because Edward isn't a real person, but it's good practice.</p>
eacb2880 425
399c9783 426
0fe6e02e 427 <!--<div id="pgp-pathfinder">
399c9783 428 <form enctype="application/x-www-form-urlencoded" action="/mk_path.cgi" method="get">
20304456
AIC		 429 <p><strong>From:</strong> <input type="text" placeholder="xD41A008" name="FROM"></p>
430 <p><strong>To:</strong> <input type="text" placeholder="50BD01x4" name="TO"></p>
399c9783
AIC		 431 <p class="buttons"><input type="submit" value="trust paths" name="PATHS"> <input type="reset" value="reset" name=".reset"></p>
432 </form>
eb0bb593 433 </div>End #pgp-pathfinder -->
399c9783 434
2378bdbf 435 </div><!-- End .main -->
b592e92f 436 </div><!-- End #step-4a .step -->
e155c686 437
a7991993
ZR		 438 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
439 <div id="step-sign_real_keys" class="step">
440 <div class="main">
ef499e87 441 <h3>Identifying keys: Fingerprints and IDs</h3>
c5025a0e
AL		 442 <p>People's public keys are usually identified by their key fingerprint, which is a string of digits like F357AA1A5B1FA42CFD9FE52A9FF2194CC09A61E8 (for Edward's key). You can see the fingerprint for your public key, and other public keys saved on your computer, by going to Enigmail &rarr; Key Management in your email program's menu, then right clicking on the key and choosing Key Properties. It's good practice to share your fingerprint wherever you share your email address, so that people can double-check that they have the correct public key when they download yours from a keyserver.</p>
443
866845c9 444<p class="notes">You may also see public keys referred to by their key ID, which is simply the last 8 digits of the fingerprint, like C09A61E8 for Edward. The key ID is visible directly from the Key Management window. This key ID is like a person's first name (it is a useful shorthand but may not be unique to a given key), whereas the fingerprint actually identifies the key uniquely without the possibility of confusion. If you only have the key ID, you can still look up the key (as well as its fingerprint), like you did in Step 3, but if multiple options appear, you'll need the fingerprint of the person to whom you are trying to communicate to verify which one to use.</p>
c5025a0e 445
a7991993
ZR		 446 </div><!-- End .main -->
447 </div><!-- End #step-sign_real_keys .step-->
448
c5025a0e
AL		 449 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
450 <div id="step-sign_real_keys" class="step">
451 <div class="main">
452 <h3><em>Important:</em> check people's identification before signing their keys</h3>
453 <p>Before signing a real person's key, always make sure it actually belongs to them, and that they are who they say they are. Ask them to show you their ID (unless you trust them very highly) and their public key fingerprint -- not just the shorter public key ID, which could refer to another key as well. In Enigmail, answer honestly in the window that pops up and asks "How carefully have you verified that the key you are about to sign actually belongs to the person(s) named above?".</p>
cc670123 454
ef499e87
AL		 455 <!-- ~~~~~~~~~ Troubleshooting ~~~~~~~~~ -->
456 <div class="troubleshooting">
457 <h4>Advanced</h4>
458 <dl>
459 <dt>Encrypt messages from the command line</dt>
fbd9feba 460 <dd>Unfortunately, trust does not spread between users the way <a href="http://fennetic.net/irc/finney.org/~hal/web_of_trust.html">many people think</a>. One of best ways to strengthen the GnuPG community is to properly <a href="https://www.gnupg.org/gph/en/manual/x334.html">understand</a> the web of trust and to carefully sign as many people's keys as <a href="http://www.cryptnet.net/fdp/crypto/keysigning_party/en/keysigning_party.html">circumstances</a> permit.</dd>
f37d7b34 461 </dl>
ef499e87 462 </div><!-- /.troubleshooting -->
cc670123 463 </div><!-- End .main -->
f37d7b34 464
ef499e87 465 </div><!-- End #step-sign_real_keys .step-->
4abf0859 466
4abf0859 467
bdf319c4 468 </div>
6c495e2d 469 </section><!-- End #section4 -->
bdf319c4 470
2cb815ae 471<!-- ~~~~~~~~~ Section 5: Use it well ~~~~~~~~~ -->
5c207a4d 472 <section id="section5" class="row">
bdf319c4 473 <div>
5c207a4d 474 <!-- ~~~~~~~~~ section introduction: interspersed text ~~~~~~~~~ -->
2378bdbf 475 <div class="section-intro">
2378bdbf 476 <h2><em>#5</em> Use it well</h2>
19e80165 477<p>Everyone uses GnuPG a little differently, but it's important to follow some basic practices to keep your email secure. Not following them, you risk the privacy of the people you communicate with, as well as your own, and damage the Web of Trust.</p>
2378bdbf 478 </div><!-- End .section-intro -->
6c495e2d 479
2cb815ae 480 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
2378bdbf 481 <div id="step-5a" class="step">
3fe46e6b 482 <div class="sidebar">
de0ab142 483 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section5-01-use-it-well.png" alt="Section 5: Use it Well" /></p>
3fe46e6b 484 </div><!-- /.sidebar -->
2378bdbf 485 <div class="main">
19e80165
ZR		 486 <h3>When should I encrypt?</h3>
487
66a99343 488 <p>The more you can encrypt your messages, the better. If you only encrypt emails occasionally, each encrypted message could raise a red flag for surveillance systems. If all or most of your email is encrypted, people doing surveillance won't know where to start.</p>
19e80165 489
acd2fb80 490<p>That's not to say that only encrypting some of your email isn't helpful -- it's a great start and it makes bulk surveillance more difficult.</p>
0a225228 491
2378bdbf
AIC		 492 </div><!-- End .main -->
493 </div><!-- End #step-5a .step -->
494
7e60af07 495 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
2378bdbf 496 <div id="step-5b" class="step">
7e60af07 497 <div class="sidebar">
de0ab142 498 <p><img src="//static.fsf.org/nosvn/enc-dev0/img/en/screenshots/section5-02-use-it-well.png" alt="Section 5: Use it Well" /></p>
7e60af07 499 </div><!-- /.sidebar -->
2378bdbf 500 <div class="main">
b592e92f 501 <h3>Be wary of invalid keys</h3>
40e65992 502 <p>GnuPG makes email safer, but it's still important to watch out for invalid keys, which might have fallen into the wrong hands. Email encrypted with invalid keys might be readable by surveillance programs.</p>
2ba31b7b 503 <p>In your email program, go back to the second email that Edward sent you. Because Edward encrypted it with your public key, it will have a message from Enigmail at the top, which most likely says "Enigmail: Part of this message encrypted."</p>
023d4279 504<p><b>When using GnuPG, make a habit of glancing at that bar. The program will warn you there if you get an email encrypted with a key that can't be trusted.</b></p>
2378bdbf
AIC		 505 </div><!-- End .main -->
506 </div><!-- End #step-5b .step -->
6c495e2d 507
7e60af07 508 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
2378bdbf
AIC		 509 <div id="step-5c" class="step">
510 <div class="main">
19e80165 511 <h3>Copy your revocation certificate to somewhere safe</h3>
66a99343
ZR		 512 <p>Remember when you created your keys and saved the revocation certificate that GnuPG made? It's time to copy that certificate onto the safest digital storage that you have -- the ideal thing is a flash drive, disk, or hard drive stored in a safe place in your home.</p>
513<p>If your private key ever gets lost or stolen, you'll need this certificate file to let people know that you are no longer using that keypair.</p>
2378bdbf 514 </div><!-- End .main -->
19e80165 515 </div><!-- End #step-5c .step -->
f44dd62f 516
072c976e
AL		 517 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
518 <div id="step-lost_key" class="step">
519 <div class="main">
520 <h3><em>Important:</em> act swiftly if someone gets your private key</h3>
521 <p>If you lose your private key or someone else gets ahold of it (say, by stealing or cracking your computer), it's important to revoke it immediately before someone else uses it to read your encrypted email. This guide doesn't cover how to revoke a key, but you can follow the <a href="https://www.gnupg.org/gph/en/manual.html#AEN305">instructions on the GnuPG site</a>. After you're done revoking, send an email to everyone with whom you usually use your key to make sure they know.</p>
522 </div><!-- End .main -->
523 </div><!-- End #step-lost_key .step-->
125222a3
AL		 524
525 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
526 <div id="step-lost_key" class="step">
527 <div class="main">
072c976e 528 <h3>Webmail and GnuPG</h3>
125222a3
AL		 529 <p>When you use a web browser to access your email, you're using webmail, an email program stored on a distant website. Unlike webmail, your desktop email program runs on your own computer. Although webmail can't decrypt encrypted email, it will still display it in its encrypted form. If you primarily use webmail, you'll know to open your email client when you receive a scrambled email.</p>
530 </div><!-- End .main -->
531 </div><!-- End #step-lost_key .step-->
532
22bf5392
AL		 533 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~ -->
534 <div id="step-lost_key" class="step">
535 <div class="main">
536 <h3>Optional: Protect Your Privacy with Tor</h3>
537 <p><a href=https://www.torproject.org/about/overview.html.en>The Onion Router (Tor) network</a> wraps Internet communication in multiple layers of encryption and bounces it around the world several times. When used properly, Tor confuses surveillance field agents and the global surveillance apparatus alike. To have your email program send and receive email over Tor, install the <a href="https://addons.mozilla.org/en-us/thunderbird/addon/torbirdy/">Torbirdy plugin</a> the same way you installed Enigmail, by searching for it through Add-ons.</p>
538
539 <p>Before beginning to check your email over Tor, make sure you understand <a href="https://www.torproject.org/docs/faq.html.en#WhatProtectionsDoesTorProvide">the security tradeoffs involved</a>. This <a href=https://www.eff.org/pages/tor-and-https">infographic</a> demonstrates how Tor keeps you secure.
540 </div><!-- End .main -->
541 </div><!-- End #step-lost_key .step-->
542
f44dd62f 543
0a225228 544 <!-- ~~~~~~~~~ a div for each step ~~~~~~~~~
19e80165
ZR		 545 <div id="step-5d" class="step">
546 <div class="main">
b0ce405b 547 <h3>Make your public key part of your online identity</h3>
be23bf7b 548 <p> First add your public key fingerprint to your email signature, then compose an email to at least five of your friends, telling them you just set up GnuPG and mentioning your public key fingerprint. Link to this guide and ask them to join you. Don't forget that there's also an awesome <a href="infographic.html">infographic to share.</a></p>
b0ce405b 549
be23bf7b 550<p class="notes">Start writing your public key fingerprint anywhere someone would see your email address: your social media profiles, blog, Website, or business card. (At the Free Software Foundation, we put ours on our <a href="https://fsf.org/about/staff">staff page</a>.) We need to get our culture to the point that we feel like something is missing when we see an email address without a public key fingerprint.</p>
0a225228 551 </div><!-- End .main
bbfaa44d 552 </div> End #step-5d .step-->
19e80165
ZR		 553
554
bdf319c4 555 </div>
6c495e2d 556 </section><!-- End #section5 -->
bdf319c4 557
d85363e7
ZR		 558
559
2cb815ae 560<!-- ~~~~~~~~~ Section 6: Next steps ~~~~~~~~~ -->
6c495e2d 561 <section class="row" id="section6">
d85363e7
ZR		 562 <div id="step-click_here" class="step">
563 <div class="main">
c6345aa7 564 <h2><a href="next_steps.html">Great job! Check out the next steps.</a></h2>
0a225228 565
d85363e7
ZR		 566 </div><!-- End .main -->
567 </div><!-- End #step-click_here .step-->
bb28ee32 568
6c495e2d 569 </section><!-- End #section6 -->
bdf319c4 570
2cb815ae 571<!-- ~~~~~~~~~ FAQ ~~~~~~~~~ -->
f44dd62f
AIC		 572<!-- When un-commenting this section go to main.css and search
573 for /* Guide Sections Background */ then add #faq to the desired color
0a225228 574
6c495e2d 575 <section class="row" id="faq">
bdf319c4
AIC		 576 <div>
577 <div class="sidebar">
578 <h2>FAQ</h2>
f44dd62f 579 </div>
6c495e2d 580
bdf319c4 581 <div class="main">
6c495e2d
AIC		 582 <dl>
583 <dt>My key expired</dt>
584 <dd>Answer coming soon.</dd>
585
586 <dt>Who can read encrypted messages? Who can read signed ones?</dt>
587 <dd>Answer coming soon.</dd>
588
589 <dt>My email program is opening at times I don't want it to open/is now my default program and I don't want it to be.</dt>
590 <dd>Answer coming soon.</dd>
591 </dl>
f44dd62f 592 </div>
bdf319c4 593 </div>
f44dd62f 594 </section> --><!-- End #faq -->
bdf319c4 595
2cb815ae 596<!-- ~~~~~~~~~ Footer ~~~~~~~~~ -->
6c495e2d 597 <footer class="row" id="footer">
bdf319c4 598 <div>
bdf319c4 599 <div id="copyright">
c1ea5176 600 <h4><a href="https://u.fsf.org/ys"><img alt="Free Software Foundation" src="//static.fsf.org/nosvn/enc-dev0/img/fsf-logo.png" /></a></h4>
866845c9 601 <p>Copyright &copy; 2014-2015 <a href="https://u.fsf.org/ys">Free Software Foundation</a>, Inc. <a href="https://my.fsf.org/donate/privacypolicy.html">Privacy Policy</a>. <a href="https://u.fsf.org/yr">Join.</a></p>
b592e92f 602 <p><em><a href="http://agpl.fsf.org/emailselfdefense.fsf.org/edward/CURRENT/edward.tar.gz">Source code of Edward reply bot by Josh Drake &lt;zamnedix@gnu.org&gt; available under the GNU General Public License.</a></em></p>
0db2fdd1 603<p>The images on this page are under a <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 license (or later version)</a>, and the rest of it is under a <a href="https://creativecommons.org/licenses/by-sa/4.0">Creative Commons Attribution-ShareAlike 4.0 license (or later version)</a>. &mdash; <a href="http://www.gnu.org/licenses/license-list.html#OtherLicenses">Why these licenses?</a></p>
d325c924 604 <p>Download the source package for <a href="emailselfdefense_source.zip">this guide</a>. Fonts used in the guide &amp; infographic: <a href="https://www.google.com/fonts/specimen/Dosis">Dosis</a> by Pablo Impallari, <a href="http://www.google.com/fonts/specimen/Signika">Signika</a> by Anna Giedry&#347;, <a href="http://www.google.com/fonts/specimen/Archivo+Narrow">Archivo Narrow</a> by Omnibus-Type, <a href="http://www.thegopherarchive.com/gopher-files-hacks-pxl2000-119351.htm">PXL-2000</a> by Florian Cramer.</p>
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