diff --git a/README.md b/README.md
index 679cde5..e50591e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,23 @@
 # multimail
 
+a custom administration frontend for a mail server with domain owners in ldap database and mailboxes, domains and aliases in mysql database.
+
+### Configuration
+/backend/config/ldap.py:
+
+	uri = "ldap://localhost:389"
+	bind_dn = "cn=mail,ou=applications,dc=example,dc=org"
+	bind_pass = "changeme"
+	search_dn = "ou=user,dc=example,dc=org"
+	search_filter = "(uid=%(user)s)"
+
+/backend/config/sql.py:
+
+	host = '127.0.0.1'
+	database = 'mydb'
+	user = 'myuser'
+	password = 'changemetoo'
+
+/backend/config/secret.py:
+
+	key = 'djangosecret'