diff --git a/generate_config.sh b/generate_config.sh
index d09dae9e..5c00347d 100755
--- a/generate_config.sh
+++ b/generate_config.sh
@@ -109,9 +109,24 @@ echo "Press enter to confirm the detected value '[value]' where applicable or en
 while [ -z "${MAILCOW_HOSTNAME}" ]; do
   read -p "Mail server hostname (FQDN) - this is not your mail domain, but your mail servers hostname: " -e MAILCOW_HOSTNAME
   DOTS=${MAILCOW_HOSTNAME//[^.]};
-  if [ ${#DOTS} -lt 2 ] && [ ! -z ${MAILCOW_HOSTNAME} ]; then
-    echo "${MAILCOW_HOSTNAME} is not a FQDN"
-    MAILCOW_HOSTNAME=
+  if [ ${#DOTS} -lt 1 ]; then
+    echo -e "\e[31mMAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is not a FQDN!\e[0m"
+    sleep 1
+    echo "Please change it to a FQDN and redeploy the stack with docker(-)compose up -d"
+    exit 1
+  elif [[ "${MAILCOW_HOSTNAME: -1}" == "." ]]; then
+    echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is ending with a dot. This is not a valid FQDN!"
+    exit 1
+  elif [ ${#DOTS} -eq 1 ]; then
+    echo -e "\e[33mMAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) does not contain a Subdomain. This is not fully tested and may cause issues.\e[0m"
+    echo "Find more information about why this message exists here: https://github.com/mailcow/mailcow-dockerized/issues/1572"
+    read -r -p "Do you want to proceed anyway? [y/N] " response
+    if [[ "$response" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
+      echo "OK. Procceding."
+    else
+      echo "OK. Exiting."
+      exit 1
+    fi
   fi
 done
 
diff --git a/update.sh b/update.sh
index db0db3b4..5204659e 100755
--- a/update.sh
+++ b/update.sh
@@ -419,14 +419,15 @@ detect_docker_compose_command
 [[ ! -f mailcow.conf ]] && { echo "mailcow.conf is missing! Is mailcow installed?"; exit 1;}
 DOTS=${MAILCOW_HOSTNAME//[^.]};
 if [ ${#DOTS} -lt 1 ]; then
-  echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is not a FQDN!"
-  echo "Please change it to a FQDN and run $COMPOSE_COMMAND down followed by $COMPOSE_COMMAND up -d"
+  echo -e "\e[31mMAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is not a FQDN!\e[0m"
+  sleep 1
+  echo "Please change it to a FQDN and redeploy the stack with $COMPOSE_COMMAND up -d"
   exit 1
 elif [[ "${MAILCOW_HOSTNAME: -1}" == "." ]]; then
   echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is ending with a dot. This is not a valid FQDN!"
   exit 1
 elif [ ${#DOTS} -eq 1 ]; then
-  echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) does not contain a Subdomain. This is not fully tested and may cause issues."
+  echo -e "\e[33mMAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) does not contain a Subdomain. This is not fully tested and may cause issues.\e[0m"
   echo "Find more information about why this message exists here: https://github.com/mailcow/mailcow-dockerized/issues/1572"
   read -r -p "Do you want to proceed anyway? [y/N] " response
   if [[ "$response" =~ ^([yY][eE][sS]|[yY])+$ ]]; then