diff --git a/README.md b/README.md
index c30d23c..537e0c3 100755
--- a/README.md
+++ b/README.md
@@ -25,7 +25,6 @@ run the development server with
 access via
 
     http://localhost:8000/
-    http://localhost:8000/intern/    (login required)
     http://localhost:8000/admin/     (login reqiured)
 
 ## docker compose development setup
@@ -44,7 +43,6 @@ Create your superuser account with
 You can access the application via
     
     http://localhost:8000/
-    http://localhost:8000/intern/    (login required)
     http://localhost:8000/admin/     (login required)
 
 ## additional admin functionality
@@ -56,28 +54,24 @@ entries to a csv file
 
 - There is a new button in the bottom of every Project to "save as new"
 
-## versions used in development
+## mail attachments
 
-    asgiref==3.2.10
-    Django==3.1.2
-    gunicorn==20.0.4
-    mysqlclient==2.1.1
-    sqlparse==0.4.3
-    whitenoise==6.2.0
-    asgiref==3.2.10
-    Authlib==1.2.1
-    certifi==2023.7.22
-    cffi==1.16.0
-    chardet==5.2.0
-    charset-normalizer==3.3.0
-    cryptography==41.0.4
-    idna==3.4
-    pycparser==2.21
-    pytz==2023.3.post1
-    requests==2.31.0
-    six==1.16.0
-    typing_extensions==4.8.0
-    urllib3==2.0.6
+For all mails, attachments can be defined as URLs. These URLs are fetched and chached when sending the mail and attached to the mail.
+
+Configuration is done via the `ATTACHMENT_URLS` setting. Attachments can be set for user (`RECIPIENT_APPLICANT`) and staff (`RECIPIENT_STAFF`) mails. The following mail types exist:
+
+  * `TYPE_BIB` Bibliotheksstipendium
+  * `TYPE_ELIT` eLiteraturstipendium
+  * `TYPE_SOFT` Softwarestipendium
+  * `TYPE_MAIL` E-Mail-Adresse
+  * `TYPE_IFG` Kostenübernahme IFG-Anfrage
+  * `TYPE_LIT` Literaturstipendium
+  * `TYPE_LIST` Mailingliste
+  * `TYPE_TRAV` Reisekosten
+  * `TYPE_VIS` Visitenkarten
+  * `TYPE_PROJ` Projektförderung
+
+For further details see `foerderbarometer/settings.py`
 
 ## testing