also change privacy policy to circumscribe iroh-relay services

CHANGELOG.md

@@ -2,12 +2,13 @@
 
 ## untagged
 
+- deploy `iroh-relay` (requires new "iroh.{mail_domain}" DNS entry), 
+  also update "realtime relay services" in privacy policy. 
+  ([#434](https://github.com/deltachat/chatmail/pull/434))
+
 - add guide to migrate chatmail to a new server
   ([#429](https://github.com/deltachat/chatmail/pull/429))
 
-- deploy `iroh-relay` (requires new "iroh.{mail_domain}" DNS entry)
-  ([#434](https://github.com/deltachat/chatmail/pull/434))
-
 - increase `request_queue_size` for UNIX sockets to 1000.
   ([#437](https://github.com/deltachat/chatmail/pull/437))
 

www/src/privacy.md

@@ -54,18 +54,18 @@ We have appointed a data protection officer:
 
 ## 2. Processing when using chat e-mail services
 
-We provide e-mail services optimized for the use from [Delta Chat](https://delta.chat) apps 
+We provide services optimized for the use from [Delta Chat](https://delta.chat) apps
 and process only the data necessary
-for the setup and technical execution of the e-mail dispatch.
-The purpose of the processing is to
-read, write, manage, delete, send, and receive emails.
+for the setup and technical execution of message delivery.
+The purpose of the processing is that users can
+read, write, manage, delete, send, and receive chat messages.
 For this purpose,
 we operate server-side software
-that enables us to send and receive e-mail messages.
-Allowing the use of the e-mail service,
-we process the following data and details:
+that enables us to send and receive messages.
 
-- Outgoing and incoming messages (SMTP) are stored for transit 
+We process the following data and details:
+
+- Outgoing and incoming messages (SMTP) are stored for transit
   on behalf of their users until the message can be delivered.
 
 - E-Mail-Messages are stored for the recipient and made accessible via IMAP protocols,
@@ -74,9 +74,15 @@ we process the following data and details:
 
 - IMAP and SMTP protocols are password protected with unique credentials for each account.
 
-- Users can retrieve or delete all stored messages 
+- Users can retrieve or delete all stored messages
   without intervention from the operators using standard IMAP client tools.
 
+- Users can connect to a "realtime relay service"
+  to establish Peer-to-Peer connection between user devices,
+  allowing them to send and retrieve ephemeral messages
+  which are never stored on the chatmail server, also not in encrypted form.
+
+
 ### 2.1 Account setup
 
 Creating an account happens in one of two ways on our mail servers: