update some links

README.md

@@ -27,7 +27,7 @@ Chatmail addresses are automatically created by a first login,
 after which the initially specified password is required 
 for sending and receiving messages through them. 
 
-Please see [this list of known apps and client projects](https://support.delta.chat/t/list-of-all-known-client-projects/3059) which offer instant onboarding on chatmail servers,
+Please see [this list of known apps and client projects](https://chatmail.at/apps.html) which offer instant onboarding on chatmail servers,
 and [this list of known public 3rd party chatmail servers](https://delta.chat/en/chatmail). 
 
 
@@ -57,7 +57,7 @@ Please substitute it with your own domain.
 1. Install the `cmdeploy` command in a virtualenv
 
    ```
-    git clone https://github.com/deltachat/chatmail
+    git clone https://github.com/chatmail/server
     cd chatmail
     scripts/initenv.sh
    ```
@@ -116,11 +116,11 @@ scripts/cmdeploy bench
 
 This repository has four directories:
 
-- [cmdeploy](https://github.com/deltachat/chatmail/tree/main/cmdeploy)
+- [cmdeploy](https://github.com/chatmail/server/tree/main/cmdeploy)
   is a collection of configuration files
   and a [pyinfra](https://pyinfra.com)-based deployment script.
 
-- [chatmaild](https://github.com/deltachat/chatmail/tree/main/chatmaild)
+- [chatmaild](https://github.com/chatmail/server/tree/main/chatmaild)
   is a python package containing several small services
   which handle authentication,
   trigger push notifications on new messages,
@@ -129,12 +129,12 @@ This repository has four directories:
   and some other minor things.
   chatmaild can also be installed as a stand-alone python package.
 
-- [www](https://github.com/deltachat/chatmail/tree/main/www)
+- [www](https://github.com/chatmail/server/tree/main/www)
   contains the html, css, and markdown files
   which make up a chatmail server's web page.
   Edit them before deploying to make your chatmail server stand out.
 
-- [scripts](https://github.com/deltachat/chatmail/tree/main/scripts)
+- [scripts](https://github.com/chatmail/server/tree/main/scripts)
   offers two convenience tools for beginners;
   `initenv.sh` installs the necessary dependencies to a local virtual environment,
   and the `scripts/cmdeploy` script enables you
@@ -173,39 +173,39 @@ If you deploy them with cmdeploy,
 they are run by systemd services in the background.
 A short overview:
 
-- [`doveauth`](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/doveauth.py) implements
+- [`doveauth`](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/doveauth.py) implements
   create-on-login account creation semantics and is used
   by Dovecot during login authentication and by Postfix
   which in turn uses [Dovecot SASL](https://doc.dovecot.org/configuration_manual/authentication/dict/#complete-example-for-authenticating-via-a-unix-socket)
   to authenticate users
   to send mails for them.
 
-- [`filtermail`](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/filtermail.py) prevents
+- [`filtermail`](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/filtermail.py) prevents
   unencrypted e-mail from leaving the chatmail service
   and is integrated into postfix's outbound mail pipelines.
 
-- [`chatmail-metadata`](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/metadata.py) is contacted by a
-  [dovecot lua script](https://github.com/deltachat/chatmail/blob/main/cmdeploy/src/cmdeploy/dovecot/push_notification.lua)
+- [`chatmail-metadata`](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/metadata.py) is contacted by a
+  [dovecot lua script](https://github.com/chatmail/server/blob/main/cmdeploy/src/cmdeploy/dovecot/push_notification.lua)
   to store user-specific server-side config.
   On new messages,
-  it [passes the user's push notification token](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/notifier.py)
+  it [passes the user's push notification token](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/notifier.py)
   to [notifications.delta.chat](https://delta.chat/help#instant-delivery)
   so the push notifications on the user's phone can be triggered
   by Apple/Google.
 
-- [`delete_inactive_users`](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/delete_inactive_users.py)
+- [`delete_inactive_users`](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/delete_inactive_users.py)
   deletes users if they have not logged in for a very long time.
   The timeframe can be configured in `chatmail.ini`.
 
-- [`lastlogin`](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/lastlogin.py)
+- [`lastlogin`](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/lastlogin.py)
   is contacted by dovecot when a user logs in
   and stores the date of the login.
 
-- [`echobot`](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/echo.py)
+- [`echobot`](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/echo.py)
   is a small bot for test purposes.
   It simply echoes back messages from users.
 
-- [`chatmail-metrics`](https://github.com/deltachat/chatmail/blob/main/chatmaild/src/chatmaild/metrics.py)
+- [`chatmail-metrics`](https://github.com/chatmail/server/blob/main/chatmaild/src/chatmaild/metrics.py)
   collects some metrics and displays them at `https://example.org/metrics`.
 
 ### Home page and getting started for users