diff --git a/config/dovecot/etc/dovecot/conf.d/10-mail.conf b/config/dovecot/etc/dovecot/conf.d/10-mail.conf
index 41de850752d963aa17e96efa70a60be58ef4e4bd..01e0365adc953b3fb7e78c25b6204ac1251457fd 100644
--- a/config/dovecot/etc/dovecot/conf.d/10-mail.conf
+++ b/config/dovecot/etc/dovecot/conf.d/10-mail.conf
@@ -1,4 +1,4 @@
-mail_vsize_bg_after_count = 100
+#mail_vsize_bg_after_count = 100
 mailbox_list_index = yes
 mail_always_cache_fields = body.snippet
 mail_location = maildir:~/Maildir
diff --git a/features/codecept.sh b/features/codecept.sh
index efaedae3e86c86e147ac77d0dcf0ec4be31cc3b9..9fe093a2a66feea35a14d08620dad46f78a6c2cb 100755
--- a/features/codecept.sh
+++ b/features/codecept.sh
@@ -92,20 +92,71 @@ set -- "${POSITIONAL[@]}" # restore positional parameters
 
 if [[ "${FEATURE_ENABLE}" = true  ]]; then
 echo "Install Docker !" # TODO
-curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -
-add-apt-repository \
-   "deb [arch=amd64] https://download.docker.com/linux/debian \
-   $(lsb_release -cs) \
-   stable"
-apt-get update && apt-get install docker-ce
-
-
-echo "Install dep" # DEBIAN ONLY ! TODO
-curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
-  echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \
-  curl -sL https://deb.nodesource.com/setup_12.x | bash -
-apt-get update && \
-  apt-get install -y git nodejs yarn nmap default-jre jq
+# curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -
+# add-apt-repository \
+#    "deb [arch=amd64] https://download.docker.com/linux/debian \
+#    $(lsb_release -cs) \
+#    stable"
+# apt-get update && apt-get install docker-ce
+# curl -fsSL https://get.docker.com -o get-docker.sh
+# sh get-docker.sh
+
+    if [[ true == "${ANY_DEB}" ]]; then
+        # Adding dovecot key
+        apt-key adv --fetch-keys https://download.docker.com/linux/debian/gpg
+        {
+        echo "deb https://download.docker.com/linux/debian ${DIST_VERSION} stable"
+        } > /etc/apt/sources.list.d/docker.list
+
+    elif [[ true == "${ANY_SLES}" ]]; then
+        echo ""
+        echo "ERROR: dovecot setup on sles not yet implemented"
+        echo ""
+        sleep 10
+        exit 1
+    elif [[ true == "${ANY_RHEL}" ]] || [[ true == "${ANY_CENTOS}" ]]; then
+        echo ""
+        echo "ERROR: dovecot setup on rhel/centos not yet implemented"
+        echo ""
+        sleep 10
+        exit 1 
+    fi
+    installPackages "docker-ce"
+
+echo "Install Nodejs"
+curl -sL https://deb.nodesource.com/setup_13.x -o nodesource_setup.sh
+bash nodesource_setup.sh
+installPackages
+
+
+
+
+echo "Install dependency...." # DEBIAN ONLY ! TODO
+    if [[ true == "${ANY_DEB}" ]]; then
+        # Adding yarnpkg key
+        apt-key adv --fetch-keys https://dl.yarnpkg.com/debian/pubkey.gpg
+        { 
+        echo "deb https://dl.yarnpkg.com/debian/ stable main"
+        } > /etc/apt/sources.list.d/yarnpkg.list
+        # Adding nodejs key
+        apt-key adv --fetch-keys https://deb.nodesource.com/gpgkey/nodesource.gpg.key
+        { 
+        echo "deb https://deb.nodesource.com/node_13.x ${DIST_VERSION} main"
+        } > /etc/apt/sources.list.d/nodesource.list
+    elif [[ true == "${ANY_SLES}" ]]; then
+        echo ""
+        echo "ERROR: dovecot setup on sles not yet implemented"
+        echo ""
+        sleep 10
+        exit 1
+    elif [[ true == "${ANY_RHEL}" ]] || [[ true == "${ANY_CENTOS}" ]]; then
+        echo ""
+        echo "ERROR: dovecot setup on rhel/centos not yet implemented"
+        echo ""
+        sleep 10
+        exit 1 
+    fi
+    installPackages "git nodejs yarn nmap default-jre jq"
 
 
 echo "Clone Repo"
@@ -114,12 +165,16 @@ git clone --depth 1 -b master https://gitlab.open-xchange.com/frontend/core  /op
 cd  /opt/open-xchange/tests/frontend/ui
 npm install -g allure-commandline --save-dev
 
-setOXProperty PROVISIONING_URL "http://192.168.33.211/" /opt/open-xchange/tests/frontend/ui/.env
+if [ -z ${CC_IP} ];then
+    CC_IP=$(ip a show $(ip r | grep -oP 'default .* \K.+') | grep -oP 'inet \K[\d\.]+') # DEBIAN Only.... -.-
+fi
+
+setOXProperty PROVISIONING_URL "http://${CC_IP}/" /opt/open-xchange/tests/frontend/ui/.env
 setOXProperty CONTEXT_ID "1337" /opt/open-xchange/tests/frontend/ui/.env
 setOXProperty SELENIUM_HOST "localhost" /opt/open-xchange/tests/frontend/ui/.env
-setOXProperty LAUNCH_URL "http://192.168.33.211/appsuite/" /opt/open-xchange/tests/frontend/ui/.env
-setOXProperty SMTP_SERVER "192.168.33.211" /opt/open-xchange/tests/frontend/ui/.env
-setOXProperty IMAP_SERVER "192.168.33.211" /opt/open-xchange/tests/frontend/ui/.env
+setOXProperty LAUNCH_URL "http://${CC_IP}/appsuite/" /opt/open-xchange/tests/frontend/ui/.env
+setOXProperty SMTP_SERVER "${CC_IP}" /opt/open-xchange/tests/frontend/ui/.env
+setOXProperty IMAP_SERVER "${CC_IP}" /opt/open-xchange/tests/frontend/ui/.env
 
 yarn
 [ ! "$(docker ps -a | grep "hA4uYS")" ] && docker run --name "hA4uYS" -d -p 4444:4444 -p 5900:5900 -v /dev/shm:/dev/shm selenium/standalone-chrome-debug:latest
diff --git a/features/dovecot.sh b/features/dovecot.sh
index 55267236a309aaa664c1715b9350c35a337ccba3..9c9997cb349a511c7c7ebc157abafaebc7fb4013 100755
--- a/features/dovecot.sh
+++ b/features/dovecot.sh
@@ -1,4 +1,3 @@
-
 #!/bin/bash
 #
 # Copyright (C) 2019 OX Software GmbH
@@ -95,7 +94,36 @@ done
 set -- "${POSITIONAL[@]}" # restore positional parameters
 
 if [[ "${FEATURE_INSTALL}" = true  ]]; then
-installDovecot
+    if [[ -z "${DC_VERSION}" ]]; then
+        echo "Version not specified, set to latest"
+        DC_VERSION=2.3-latest
+    fi
+    if [[ true == "${ANY_DEB}" ]]; then
+        # Adding dovecot key
+        apt-key adv --fetch-keys https://repo.dovecot.org/DOVECOT-REPO-GPG
+        {
+        echo "deb https://repo.dovecot.org/ce-${DC_VERSION}/debian/${DIST_VERSION} ${DIST_VERSION} main"
+        } > /etc/apt/sources.list.d/dovecot.list
+
+    elif [[ true == "${ANY_SLES}" ]]; then
+        echo ""
+        echo "ERROR: dovecot setup on sles not yet implemented"
+        echo ""
+        sleep 10
+        exit 1
+    elif [[ true == "${ANY_RHEL}" ]] || [[ true == "${ANY_CENTOS}" ]]; then
+        echo ""
+        echo "ERROR: dovecot setup on rhel/centos not yet implemented"
+        echo ""
+        sleep 10
+        exit 1 
+    fi
+    installPackages "dovecot-core dovecot-imapd dovecot-lmtpd dovecot-managesieved dovecot-sieve dovecot-pop3d dovecot-ldap postfix rsyslog"
+    echo "Copy Dovecot Configs"
+    rm -rf /etc/dovecot/*
+    cp -R config/dovecot/etc/dovecot/* /etc/dovecot/
+    restartService dovecot
+
 INIT_STATE_FILE="/etc/dovecot/dovecot-init-done"
 
 if [ ! -f "/etc/dovecot/dovecot.conf" ]; then
@@ -106,6 +134,7 @@ fi
 
 
 if [ ! -f ${INIT_STATE_FILE} ]; then
+    mkdir /var/log/dovecot
     echo "Executing init-config script (dovecot-backend) "
     echo "$0 $@"
     echo "Creating user and group: vmail"
@@ -148,7 +177,7 @@ if [ ! -f ${INIT_STATE_FILE} ]; then
     #postconf -e "smtpd_tls_cert_file=${SSL_DIR}/certs/${FQDN}.crt"
     #postconf -e "smtpd_tls_key_file=${SSL_DIR}/private/${FQDN}.key"
     postconf -e "dovecot_destination_recipient_limit = 1"
-    postconf -e "virtual_mailbox_domains = ${MAIL_DOMAIN}"
+    postconf -e "virtual_mailbox_domains = $(hostname -f)"
     postconf -e "virtual_transport = dovecot"
     postconf -e "myorigin = \$mydomain"
     postconf -e "mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 ${ENV_SUBNET}"
@@ -156,7 +185,7 @@ if [ ! -f ${INIT_STATE_FILE} ]; then
     chown -R vmail:vmail /home/vmail
     chmod 2770 /home/vmail
 fi
-elif [[ "${FEATURE_ENABLE}" = true  ]]; then
+elif [[ "${FEATURE_ENABLE}" = false  ]]; then
   INPUT=${SCRIPT_DIR}/../config/environment/qa/users.csv
   OLDIFS=$IFS
   IFS=','
@@ -172,7 +201,7 @@ elif [[ "${FEATURE_ENABLE}" = true  ]]; then
   	# echo "password : $password"
   done < $INPUT
   IFS=$OLDIFS
-elif [[ "${FEATURE_ENABLE}" = false  ]]; then
+elif [[ "${FEATURE_ENABLE}" = true  ]]; then
   INPUT=${SCRIPT_DIR}/../config/environment/qa/users.csv
   OLDIFS=$IFS
   IFS=','
diff --git a/lib/dovecot.bash b/lib/dovecot.bash
index 822eaf24d36612fe3d29f64994a8014f263b29fa..5f06120147ef3bc41675968c0066d0cf324552d1 100644
--- a/lib/dovecot.bash
+++ b/lib/dovecot.bash
@@ -43,4 +43,5 @@ function installDovecot {
     echo "Copy Dovecot Configs"
     rm -rf /etc/dovecot/*
     cp -R config/dovecot/etc/dovecot/* /etc/dovecot/
-}
\ No newline at end of file
+}
+
diff --git a/ox-installer.sh b/ox-installer.sh
index fc3da44cf7be1ff4346e8d5a8f7f33f043ca3009..eb326f14a1df499f0e8a39441d53d1ba377fb829 100755
--- a/ox-installer.sh
+++ b/ox-installer.sh
@@ -131,6 +131,10 @@ case $key in
     export INSTALL_TYPE=singlenode
     shift
     ;;
+    --codecept)
+    export EXECUTE_CODECEPT=true
+    shift
+    ;;
     --config)
     export CONFIG_DIR="$2"
     exportProperties ${CONFIG_DIR}
@@ -225,7 +229,15 @@ if [ "$INSTALL_GUARD" = true ] ; then
 fi 
 
 if [ "$INSTALL_DOVECOT" = true ] ; then
-    setup/install-dovecot.sh -s 
+    if [[ "${INSTALL_TYPE}" == *"singlenode"* ]]; then
+        # ensure that all components will be "force" installed if on any singlenode
+        echo "Installing documents for singlenode environment ..."
+        features/dovecot.sh --install --enable
+    else
+        # let the environment variables do the selection magic 
+        echo "Docker/Dovecot install is currently not supported by ox-installer...." 
+        exit 1
+    fi
 fi 
 
 if [ "${OX_INIT}" = true ]; then
@@ -248,6 +260,11 @@ if [ "${OX_INIT}" = true ]; then
     fi
 fi
 
+if [ "${EXECUTE_CODECEPT}" = true ] ; then
+    echo "Init Codecept...."
+    features/codecept.sh --enable
+fi
+
 FINISHED_AT=$(date)
 echo "====================================================================================="
 echo "Started at:   $STARTED_AT"