help: Add hide-message-content-in-emails.

templates/zerver/help/configure-missed-message-emails.md

@@ -18,8 +18,11 @@ name of the organization in the subject line of your missed message emails.
 
 For security or compliance reasons, you may want to hide the content of your
 Zulip messages from your email. Organization admins can do this at an
-organization-wide level, but you can also do this just for the messages you
+[organization-wide level](/help/hide-message-content-in-emails), but you can
-receive.
+also do this just for the messages you receive.
+
+This setting also blocks message topics, stream names, and user names from
+being sent through your email.
 
 {start_tabs}
 

templates/zerver/help/hide-message-content-in-emails.md

@@ -0,0 +1,26 @@
+# Hide message content in emails
+
+{!admin-only.md!}
+
+For security or compliance reasons, you may want to prevent Zulip message
+content from being sent through your email system. The only place Zulip
+currently sends message content is in missed message email notifications.
+
+This setting also blocks message topics, stream names, and user names from
+being sent through the email system.
+
+### Hide message content in emails
+
+{start_tabs}
+
+{settings_tab|organization-settings}
+
+1. Under **Other settings**, toggle
+   **Allow message content in missed message emails**.
+
+{end_tabs}
+
+## Related articles
+
+* [Hide message content in emails](/help/configure-missed-message-emails#hide-message-content),
+  as an individual.

templates/zerver/help/include/sidebar_index.md

@@ -125,6 +125,7 @@
 * [Restrict name and email changes](/help/restrict-name-and-email-changes)
 * [Disable message edit history](/help/disable-message-edit-history)
 * [Manage editing of old messages](/help/configure-message-editing-and-deletion)
+* [Hide message content in emails](/help/hide-message-content-in-emails)
 * [Community topic edits](/help/community-topic-edits)
 * [Require topics in stream messages](/help/require-topics)
 * [Add custom emoji](/help/add-custom-emoji)