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set help to generated-from-pages
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>FAQ - Delta Chat</title>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0" />
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<meta name="description" content="Delta Chat - Email Based Instant Messenger" />
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<meta name="keywords" content="delta chat, email messaging app, download delta chat" />
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<link rel="stylesheet" href="../assets/css/styles.css" type="text/css" />
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<link rel="alternate" href="https://delta.chat/feed.xml" type="application/atom+xml" title="" />
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</head>
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<body id="top">
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<div id="menu">
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<ul>
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<li><a href="../en/">Home</a></li>
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<li><a href="download">Download</a></li>
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<li><a href="blog">Blog</a></li>
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<li><a href="contribute">Contribute</a></li>
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<li><a href="help">FAQ</a></li>
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<li><a href="https://support.delta.chat">Forum</a></li>
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</ul>
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</div>
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<div id="content">
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<h1>Frequently Asked Questions</h1>
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<details>
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<summary>
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Table of Contents
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</summary>
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<html><head><meta charset="UTF-8" /><link rel="stylesheet" href="../help.css" /></head><body><ul id="top">
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<li><a href="#what-is-delta-chat">What is Delta Chat?</a>
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<ul>
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<li><a href="#general">General</a>
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<ul>
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<li><a href="#what-is-delta-chat">What is Delta Chat?</a></li>
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<li><a href="#how-can-i-find-people-to-chat-with">How can I find people to chat with?</a></li>
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<li><a href="#what-are-the-advantages-of-delta-chat-compared-to-other-messengers">What are the advantages of Delta Chat compared to other messengers?</a></li>
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<li><a href="#which-messages-do-appear-in-delta-chat">Which messages do appear in Delta Chat?</a></li>
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@ -96,29 +51,20 @@
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</li>
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</ul>
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</details>
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<h2 id="general">
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General <a href="#general" class="anchor"></a>
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</h2>
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<h3 id="what-is-delta-chat">
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<h2 id="what-is-delta-chat">
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What is Delta Chat? <a href="#what-is-delta-chat" class="anchor"></a>
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</h3>
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<p><img style="float: right;" width="400px" src="../assets/home/delta-what.png" /></p>
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</h2>
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<p>Delta Chat is a new chat app that sends messages via e-mails, encrypted if possible, with Autocrypt.
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<strong>You do not have to sign up anywhere, just use your existing e-mail account with Delta Chat.</strong></p>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="how-can-i-find-people-to-chat-with">
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@ -131,6 +77,8 @@
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<p>With Delta Chat, you can write to every existing e-mail address - even
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if the recipient is not using the Delta Chat app. No need for the
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recipient to install the same app as yours, as with other messengers.</p>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="what-are-the-advantages-of-delta-chat-compared-to-other-messengers">
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@ -155,6 +103,8 @@ the same e-mail servers</li>
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<li><em>Trustworthy</em> - can even be used for business messages.</li>
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<li><em>Copyleft</em> and <em>Standards</em> based libre software.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="which-messages-do-appear-in-delta-chat">
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@ -173,6 +123,8 @@ the same e-mail servers</li>
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</ul>
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<p>Other messages do not appear automatically, and are to be found in the main menu at <strong>Contact requests</strong>. If desired a chat can be started from there.</p>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="what-about-spam">
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@ -187,6 +139,8 @@ the same e-mail servers</li>
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<li>As messages from unknown contacts do not pop up automatically, normally, there is <strong>no spam</strong>.</li>
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<li>However, if needed, you can <strong>block</strong> any contact.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="does-delta-chat-support-images-videos-and-other-attachments">
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@ -199,6 +153,8 @@ the same e-mail servers</li>
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<ul>
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<li>Yes. Beside the plain text, all e-mail attachments are displayed as separate messages. Outgoing messages get attachments as needed automatically.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="who-sees-my-profile-picture">
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@ -226,6 +182,8 @@ your contacts will re-receive your profile picture, even if they add a new
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device.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="does-delta-chat-support-html-e-mails">
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@ -238,6 +196,8 @@ device.</p>
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<ul>
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<li>Yes. If incoming e-mail lacks a plain text part, HTML-emails is converted to plain text in the app. Outgoing e-mails always use plain text.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="why-do-i-have-to-enter-my-e-mail-password-into-delta-chat-is-this-secure">
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@ -260,6 +220,8 @@ access token is used.</p>
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Code</a>
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if you want to verify that your credentials are handled securely. We are happy
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about feedback which makes the app more secure for all of our users.</p>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="which-android-permissions-does-delta-chat-need">
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@ -310,6 +272,8 @@ about feedback which makes the app more secure for all of our users.</p>
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</ul>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h2 id="groups">
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@ -332,6 +296,8 @@ about feedback which makes the app more secure for all of our users.</p>
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<li>On the following screen, select the <strong>group members</strong> and hit the check mark in the upper right corner. After that, you can define a <strong>group name</strong>.</li>
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<li>As soon as you write the <strong>first message</strong> in the group, all members are informed about the new group and can answer in the group (as long as you do not write a message in the group the group is invisible to the members).</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="add-members-to-a-group">
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@ -345,6 +311,8 @@ about feedback which makes the app more secure for all of our users.</p>
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<li>Every group member has the <strong>same rights</strong> as any other. For this reason every one can delete every member or add new ones.</li>
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<li>To add or delete members, click on the group name in the chat.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="what-is-a-verified-group-why-is-it-experimental">
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@ -361,7 +329,7 @@ attacker. All Messages in a verified chat view are e2e-encrypted, and
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members can join by scanning a “QR invite code”. All members are thus
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connected with each other through a chain of invites, which guarantee
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cryptographic consistency against active network or provider attacks.
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See https://countermitm.readthedocs.io/en/latest/new.html
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See <a href="https://countermitm.readthedocs.io/en/latest/new.html">countermitm.readthedocs.io</a>
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for the R&D behind this feature.</p>
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</li>
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<li>
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@ -387,6 +355,8 @@ are we remove the “experimental” label not too far in the future.</p>
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<li>As you’re no longer a group member, you cannot add yourself again.
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However, no problem, just ask any other group member in a normal chat to re-add you.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="i-do-not-want-to-receive-the-messages-of-a-group-any-longer">
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@ -406,6 +376,8 @@ If you want to join the group again later on, ask another group member to add yo
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can still write, but are no longer notified of any new messages.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h2 id="encryption">
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@ -427,6 +399,8 @@ can still write, but are no longer notified of any new messages.</p>
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<li>Yes. Delta Chat implements the Autocrypt Level 1 standard and can
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thus E2E-encrypt messages with other Autocrypt-capable apps.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="what-do-i-have-to-do-to-activate-the-end-to-end-encryption">
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@ -453,6 +427,8 @@ messages are not encrypted until an Autocrypt-compliant app is available again.<
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use the corresponding setting in “Settings / Advanced settings”.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="if-end-to-end-encryption-is-not-available-is-the-connection-not-encrypted-at-all">
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@ -469,6 +445,8 @@ This only secures the connection between your device and your e-mail
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server. Whereas e2e-encryption provides safety between
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your device and a friend’s device.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="how-can-i-verify-cryptographic-status-with-a-sender">
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@ -497,6 +475,8 @@ the connection is safe.</p>
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<p>For transport encryption, this state is just shown there</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="how-can-i-check-the-encryption-of-messages">
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@ -514,6 +494,8 @@ the connection is safe.</p>
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<p>If there is <strong>no padlock</strong>, the message is usually transported unencrypted e.g. because you or the sender have turned off end-to-end-encryption, or the sender uses an app without support for end-to-end-encryption.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="which-standards-are-used-for-end-to-end-encryption">
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protection against active network attacks, going beyond the opportunistic
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base protection of Autocrypt, see questions about “Verified Groups”.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="what-is-the-difference-between-verified-groups-and-11-chats-with-verified-contacts">
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@ -559,6 +543,8 @@ matter if they change e-mail clients, devices, setups etc. That’s why there
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is no verification checkmark, even if you have verified the contact.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="does-delta-chat-support-perfect-forward-secrecy">
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@ -577,18 +563,20 @@ Delta Chat private key is leaked, and someone has a record
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of all your in-transit messages, they will be able to read them.</p>
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</li>
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<li>
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<p>Note that if anyone has seized or hacked your running phone,
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they will typically be able to read all messages, no matter if Perfect
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Forward Secrecy is in place or not. Having access to a single device
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from a member of a group, will typically a lot of the social graph.
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Using e-mail addresses that are not easily tracked back to persons
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helps group members to stay safer from the effects of device seizure.</p>
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<p>Note that if anyone has seized or hacked your running phone, they will
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typically be able to read all messages, no matter if Perfect Forward Secrecy
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is in place or not. Having access to a single device from a member of a group,
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will typically expose a lot of the social graph. Using e-mail addresses that
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are not easily tracked back to persons helps group members to stay safer from
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the effects of device seizure.</p>
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</li>
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<li>
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<p>We are sketching ways to protect communications better against the event
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of device seizure.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="how-does-delta-chat-protect-my-metadata">
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@ -619,6 +607,8 @@ end-to-end-encryption protected, see also this upcoming <a href="https://datatra
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RFC</a>.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="can-i-re-use-my-existing-private-key">
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@ -638,6 +628,8 @@ RFC</a>.</p>
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</ul>
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<p>If you don’t have a key or don’t even know you would need one - don’t worry: Delta Chat generates one as needed, you don’t have to hit a button for it.</p>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="i-cant-import-my-existing-pgp-key-into-delta-chat">
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@ -665,6 +657,8 @@ password to an empty value in the Key Management window. With GnuPG you can set
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it <a href="https://github.com/deltachat/deltachat-android/issues/98#issuecomment-378383429">via the command
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line</a>.
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For other programs, you can find a solution online.</p>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="why-dont-you-use-pep-pretty-easy-privacy">
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@ -679,6 +673,8 @@ For other programs, you can find a solution online.</p>
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a discussion of Autocrypt and pEp, see the <a href="https://autocrypt.org/faq.html#how-does-autocrypt-differ-from-pep">Autocrypt
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FAQ</a>.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h2 id="multiclient">
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@ -713,6 +709,8 @@ arrive and click on it, which should prompt you for the security number.</p>
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sending and receiving E2E-encrypted messages with your communication partners.</p>
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</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h2 id="miscellaneous">
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@ -734,6 +732,8 @@ sending and receiving E2E-encrypted messages with your communication partners.</
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<li>With a rather good chance: Yes :)<br />
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However, some providers need special options to work properly; users have collected some of them in the forum at <a href="https://support.delta.chat/t/provider-overview/">Provider Overview</a></li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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<h3 id="im-interested-in-the-technical-details-can-you-tell-me-more">
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@ -747,36 +747,10 @@ However, some providers need special options to work properly; users have collec
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<li>See <a href="https://github.com/deltachat/deltachat-android/blob/master/standards.md#standards-used-in-delta-chat">Standards used in Delta Chat</a>.</li>
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</ul>
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<p><a href="#top">↑ Top</a></p>
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</div>
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<div id="footer">
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<p>
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<a href="references">References</a> | <a href="imprint">Imprint</a>
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| <a href="/de/gdpr-website">Privacy Policy</a>
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<br>
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<span class="desktoponly">Language:</span>
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<a href="../ca/">CA</a> |
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<a href="../de/">DE</a> |
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<a href="../en/">EN</a> |
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<a href="../es/">ES</a> |
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<a href="../fr/">FR</a> |
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<a href="../it/">IT</a> |
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<a href="../nb/">NB</a> |
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<a href="../pl/">PL</a> |
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<a href="../pt/">PT</a> |
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<a href="../ru/">RU</a> |
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<a href="../sq/">SQ</a> |
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<a href="../uk/">UK</a>
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<br>
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© 2017-2019 Delta Chat contributors
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</p>
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</div>
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</body>
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</html>
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</body></html>
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3
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@ -0,0 +1,3 @@
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ul#top {
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||||
line-height: 2em;
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}
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