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class="visually-hidden">Toggle menu</span> 143 <div class="navicon"></div> 144 </button> 145 <ul class="hidden-links hidden"></ul> 146 </nav> 147 </div> 148 </div> 149</div> 150 151 152 <div class="initial-content"> 153 154 155 156 157 158 159<div id="main" role="main"> 160 161 <div class="sidebar sticky"> 162 163 164 165 166 167 168 169 170 171 <nav class="nav__list"> 172 173 <input id="ac-toc" name="accordion-toc" type="checkbox" /> 174 <label for="ac-toc">Toggle Menu</label> 175 <ul class="nav__items"> 176 177 178 179 <li> 180 181 <span class="nav__sub-title">Software</span> 182 183 184 185 <ul> 186 187 <li><a href="/software/" class="active">Email Encryption</a></li> 188 189 <li><a href="/software/server/">Server Software</a></li> 190 191 <li><a href="/software/developer/">Developer Libraries/Tools</a></li> 192 193 <li><a href="/software/misc/">Misc Tools</a></li> 194 195 </ul> 196 197 </li> 198 199 200 </ul> 201</nav> 202 203 204 205 </div> 206 207 208 209 <article class="page" itemscope itemtype="https://schema.org/CreativeWork"> 210 <meta itemprop="headline" content="Email Encryption"> 211 <meta itemprop="description" content="Email Encryption"> 212 213 <meta itemprop="dateModified" content="2025-07-30T10:59:27+00:00"> 214 215 <div class="page__inner-wrap"> 216 217 <header> 218 <h1 id="page-title" class="page__title" itemprop="headline"> 219 <a href="https://www.openpgp.org/software/" itemprop="url">Email Encryption 220</a> 221 </h1> 222 223 224 225 </header> 226 227 228 <section class="page__content" itemprop="text"> 229 230 <aside class="sidebar__right"> 231<nav class="toc"> 232 <header><h4 class="nav__title"><i class="fas fa-file-alt"></i> On This Page</h4></header> 233<ul class="toc__menu" id="markdown-toc"> 234 <li><a href="#windows" id="markdown-toc-windows">Windows</a></li> 235 <li><a href="#mac-os" id="markdown-toc-mac-os">Mac OS</a></li> 236 <li><a href="#android" id="markdown-toc-android">Android</a></li> 237 <li><a href="#ios" id="markdown-toc-ios">iOS</a></li> 238 <li><a href="#linux" id="markdown-toc-linux">Linux</a></li> 239 <li><a href="#browser-plugins" id="markdown-toc-browser-plugins">Browser Plugins</a></li> 240 <li><a href="#webmail-provider-with-browser-plugins" id="markdown-toc-webmail-provider-with-browser-plugins">Webmail Provider with Browser Plugins</a></li> 241 <li><a href="#webmail-provider-with-in-browser-cryptography" id="markdown-toc-webmail-provider-with-in-browser-cryptography">Webmail Provider with In-Browser Cryptography</a></li> 242 <li><a href="#project-missing" id="markdown-toc-project-missing">Project Missing?</a></li> 243</ul> 244 245 </nav> 246</aside> 247 248<p>All email applications on this page support the OpenPGP standard either directly or with additional software. 249The authors of this webpage are not actively participating in the development of each of these third-party apps. 250No security audits have been done by us and, thus, we cannot provide any security guarantees.</p> 251 252<h2 id="windows">Windows</h2> 253 254<ul> 255 <li><a href="/software/claws/">Claws Mail</a></li> 256 <li><a href="/software/deltachat">Delta Chat</a></li> 257 <li><a href="/software/emclient/">eM Client</a></li> 258 <li><a href="/software/everdesk/">EverDesk</a></li> 259 <li>Outlook: 260 <ul> 261 <li><a href="/software/gpg4o/">gpg4o</a></li> 262 <li><a href="/software/gpg4win/">Gpg4win</a></li> 263 </ul> 264 </li> 265 <li>
265<a href="/software/postbox/">Postbox</a> using <a href="/software/enigmail/">Enigmail</a></li> 266 <li><a href="/software/securemyemail/">SecureMyEmail</a></li> 267 <li><a href="/software/thebat/">The Bat!</a></li> 268 <li><a href="/software/thunderbird">Thunderbird</a>: 269 <ul> 270 <li><a href="/software/autocrypt/">Autocrypt</a> for versions <78</li> 271 <li><a href="/software/enigmail/">Enigmail</a> for versions <78</li> 272 </ul> 273 </li> 274</ul> 275 276<h2 id="mac-os">Mac OS</h2> 277 278<ul> 279 <li><a href="/software/gpgtools/">Apple Mail: GPGTools</a></li> 280 <li><a href="/software/canary-mail/">Canary Mail</a></li> 281 <li><a href="/software/deltachat">Delta Chat</a></li> 282 <li><a href="/software/mutt/">Mutt</a></li> 283 <li><a href="/software/postbox/">Postbox</a> using <a href="/software/enigmail/">Enigmail</a></li> 284 <li><a href="/software/securemyemail/">SecureMyEmail</a></li> 285 <li><a href="/software/thunderbird">Thunderbird</a>: 286 <ul> 287 <li><a href="/software/autocrypt/">Autocrypt</a> for versions <78</li> 288 <li><a href="/software/enigmail/">Enigmail</a> for versions <78</li> 289 </ul> 290 </li> 291</ul> 292 293<h2 id="android">Android</h2> 294 295<ul> 296 <li><a href="/software/fairemail/">FairEmail</a></li> 297 <li><a href="/software/deltachat">Delta Chat</a></li> 298 <li><a href="/software/flowcrypt/">FlowCrypt</a></li> 299 <li><a href="/software/openkeychain/">K-9 Mail: OpenKeychain</a></li> 300 <li><a href="/software/r2mail2/">R2Mail2</a></li> 301 <li><a href="/software/securemyemail/">SecureMyEmail</a></li> 302 <li><a href="/software/thunderbirdmobile/">Thunderbird</a></li> 303</ul> 304 305<h2 id="ios">iOS</h2> 306 307<ul> 308 <li><a href="/software/canary-mail/">Canary Mail</a></li> 309 <li><a href="/software/deltachat">Delta Chat</a></li> 310 <li><a href="/software/flowcrypt/">FlowCrypt</a></li> 311 <li><a href="/software/ipgmail/">iPGMail</a></li> 312 <li><a href="https://www.pgpeverywhere.com/">PGP Everywhere</a></li> 313 <li><a href="/software/securemyemail/">SecureMyEmail</a></li> 314</ul> 315 316<h2 id="linux">Linux</h2> 317 318<ul> 319 <li><a href="/software/claws/">Claws Mail</a></li> 320 <li><a href="/software/deltachat">Delta Chat</a></li> 321 <li><a href="/software/seahorse/">Evolution: Seahorse</a></li> 322 <li><a href="/software/kleopatra/">KMail: Kleopatra</a></li> 323 <li><a href="/software/mutt/">Mutt</a></li> 324 <li><a href="/software/thunderbird">Thunderbird</a>: 325 <ul> 326 <li><a href="/software/autocrypt/">Autocrypt</a> for versions <78</li> 327 <li><a href="/software/enigmail/">Enigmail</a> for versions <78</li> 328 </ul> 329 </li> 330</ul> 331 332<h2 id="browser-plugins">Browser Plugins</h2> 333 334<ul> 335 <li><a href="/software/flowcrypt/">FlowCrypt (Gmail)</a></li> 336 <li><a href="/software/mailvelope/">Mailvelope</a></li> 337 <li><a href="/software/psono/">Psono</a></li> 338</ul> 339 340<h2 id="webmail-provider-with-browser-plugins">Webmail Provider with Browser Plugins</h2> 341 342<p>A lot of webmail providers support email encryption via the OpenPGP standard using <a href="/software/mailvelope/">Mailvelope</a>. 343The Mailvelope website provides a list of <a href="https://www.mailvelope.com/en/faq#mailer_list">supported webmail providers</a>.</p> 344 345<p>Providers with help pages:</p> 346 347<ul> 348 <li><a href="https://hilfe.gmx.net/sicherheit/pgp/mailvelope-installieren.html">GMX</a></li> 349 <li><a href="https://posteo.de/hilfe/wie-installiere-ich-eine-ende-zu-ende-verschluesselung-pgp-im-browser">Posteo</a></li> 350 <li><a href="https://hilfe.web.de/sicherheit/pgp/index.html">WEB.DE</a></li> 351</ul> 352 353<p>Pre-configured (authorized) providers:</p> 354 355<ul> 356 <li><a href="https://mail.google.com/">Gmail</a></li> 357 <li><a href="https://mail.ru/">mail.ru</a></li> 358 <li><a href="https://outlook.live.com/owa/">Outlook.com</a></li> 359 <li><a href="https://volny.cz/">volny.cz</a></li> 360 <li><a href="https://login.yahoo.com/">Yahoo</a></li> 361 <li><a href="https://www.zoho.eu/mail/">Zoho Mail</a></li> 362</ul> 363 364<p>Other authorized providers with API support:</p> 365 366<ul> 367 <li><a href="https://mailbox.org/">mailbox.org</a></li> 368 <li><a href="https://mail.riseup.net/">riseup.net</a></li> 369 <li><a href="https://roundcube.net/">Roundcube</a></li> 370</ul> 371 372<h2 id="webmail-provider-with-in-browser-cryptography">Webmail Provider with In-Browser Cryptography</h2> 373 374<p>In contrast to the previous section, the following webmail providers do not require the installation of additional browser plugins, instead OpenPGP is implemented in JavaScript provided directly by the website. 375While these are easier to set up and provide basic security guarantees with OpenPGP, <a href="https://tonyarcieri.com/whats-wrong-with-webcrypto">some people donât consider these âend-to-end secureâ</a>.</p> 376 377<ul> 378 <li><a href="https://www.hushmail.com/">Hushmail</a> (limited OpenPGP support)</li> 379 <li><a href="https://www.mailfence.com/">Mailfence</a></li> 380 <li><a href="https://postale.io/">postale.io</a></li> 381 <li><a href="https://protonmail.com/">ProtonMail</a></li> 382 <li><a href="https://mailbox.org/">mailbox.org</a></li> 383</ul> 384 385<h2 id="project-missing">Project Missing?</h2> 386 387<p>If a project is missing and you would like it included, please open a pull request at <a href="https://github.com/OpenPGP/openpgp.org">github.com/OpenPGP/openpgp.org</a>. 388Please note that we only include published, working software, which implements the standard.
389The software is ordered alphabetically within the sections.</p> 390 391 392 </section> 393 394 <footer class="page__meta"> 395 396 397 398 399 400 401 <p class="page__date"><strong><i class="fas fa-fw fa-calendar-alt" aria-hidden="true"></i> Updated:</strong> <time class="dt-published" datetime="2025-07-30">July 30, 2025</time></p> 402 403 </footer> 404 405 406 407 408 <nav class="pagination"> 409 410 <a href="/software/thunderbirdmobile/" class="pagination--pager" title="Thunderbird Mobile 411">Previous</a> 412 413 414 <a href="/software/server/" class="pagination--pager" title="Server 415">Next</a> 416 417 </nav> 418 419 </div> 420 421 422 </article> 423 424 425 426</div> 427 428 429 </div> 430 431 432 433 <div id="footer" class="page__footer"> 434 <footer> 435 <!-- start custom footer snippets --> 436 437<!-- end custom footer snippets --> 438 <div class="page__footer-follow"> 439 <ul class="social-icons"> 440 441 442 443 444 445 <li><a href="https://github.com/OpenPGP/openpgp.org/" rel="nofollow noopener noreferrer"><i class="fab fa-fw fa-github" aria-hidden="true"></i> Managed collaboratively via GitHub</a></li> 446 447 448 449 450 451 <li><a href="/feed.xml"><i class="fas fa-fw fa-rss-square" aria-hidden="true"></i> Feed</a></li> 452 453 </ul> 454</div> 455 456<div class="page__footer-copyright">© 2026 <a href="/community/organization/">The OpenPGP Organization</a>. Powered by <a href="https://jekyllrb.com" rel="nofollow">Jekyll</a> & <a href="https://mademistakes.com/work/minimal-mistakes-jekyll-theme/" rel="nofollow">Minimal Mistakes</a>.</div> 457 458 </footer> 459 </div> 460 461 462
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