diff --git a/Dockerfile b/Dockerfile
index e1de2a9..965d455 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,4 @@
+
 # Basis-Image: Apache + PHP
 FROM php:8.2-apache
 
@@ -6,11 +7,24 @@ RUN docker-php-ext-install mysqli
 
 # pdftk installieren
 RUN apt-get update && \
-    apt-get install -y pdftk net-tools geoip-bin && \
+    apt-get install -y \
+        pdftk \
+        net-tools \
+        msmtp \
+        msmtp-mta \
+        geoip-bin && \
     apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # Apache Mod Rewrite aktivieren (optional)
 RUN a2enmod rewrite
 
 # NEU: AllowOverride All aktivieren, damit .htaccess funktioniert
-RUN sed -i '/<Directory \/var\/www\/>/,/<\/Directory>/ s/AllowOverride None/AllowOverride All/' /etc/apache2/apache2.conf
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+RUN sed -i '/<Directory \/var\/www\/>/,/<\/Directory>/ s/AllowOverride None/AllowOverride All/' /etc/apache2/apache2.conf
+
+RUN echo "sendmail_path=/usr/bin/msmtp -t -i -f bruno.eckhardt07@gmail.com" > /usr/local/etc/php/conf.d/sendmail.ini
+
+COPY MAIL/msmtprc /etc/msmtprc
+
+RUN chmod 644 /etc/msmtprc
+
+RUN touch /var/log/msmtp.log && chmod 666 /var/log/msmtp.log
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diff --git a/HAPROXY/haproxy.cfg b/HAPROXY/haproxy.cfg
index 3e8e54b..3736399 100644
--- a/HAPROXY/haproxy.cfg
+++ b/HAPROXY/haproxy.cfg
@@ -29,7 +29,7 @@ backend web_public
     server node1 172.30.0.11:80 cookie node1 check
 
 backend web_backend
-    server node1 172.30.0.13:80 cookie node1 check
+    server node1 172.30.0.12:80 cookie node1 check
 
 backend stats
     mode http
diff --git a/docker-compose.yml b/docker-compose.yml
index 037118d..3cd56e1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 services:
   haproxy:
     image: haproxy:latest
-    container_name: HAPROXY
+    container_name: haproxy
     volumes:
       - ./HAPROXY/:/usr/local/etc/haproxy
     ports:
@@ -14,7 +14,7 @@ services:
 
   webserver-public:
     build: .
-    container_name: WEBSERVER-PUBLIC
+    container_name: webserver_public
     volumes:
       - ./WEBSERVER/PUBLIC/WEBROOT/:/var/www/html/
     ports:
@@ -26,19 +26,19 @@ services:
 
   webserver-backend:
     build: .
-    container_name: WEBSERVER-BACKEND
+    container_name: webserver_backend
     volumes:
       - ./WEBSERVER/BACKEND/WEBROOT/:/var/www/html/
     ports:
       - "8002:80"
     networks:
       docker-net:
-        ipv4_address: 172.30.0.13
+        ipv4_address: 172.30.0.12
     restart: always
 
   mariadb:
     image: mariadb:latest
-    container_name: MARIADB
+    container_name: mariadb
     volumes:
       - ./MARIADB:/var/lib/mysql
     ports:
@@ -50,7 +50,7 @@ services:
       MARIADB_PASSWORD: bBHofurUJWKzPE8Z
     networks:
       docker-net:
-        ipv4_address: 172.30.0.12
+        ipv4_address: 172.30.0.13
     restart: always
 
 networks:
@@ -58,4 +58,4 @@ networks:
     driver: bridge
     ipam:
       config:
-        - subnet: 172.30.0.0/16
+        - subnet: 172.30.0.0/24
diff --git a/install.sh b/install.sh
index 36d3f86..72b427d 100644
--- a/install.sh
+++ b/install.sh
@@ -34,6 +34,6 @@ fi
 
 git clone https://gitea.mrhossa.de/bruno/Backend.git $BASE_DIR/BACKEND
 git -C $BASE_DIR/BACKEND checkout live
-docker restart webserver_backend
+# docker restart webserver_backend
 
 git clone https://gitea.mrhossa.de/bruno/Web-Public.git $BASE_DIR/PUBLIC
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