diff --git a/letsencrypt-routeros.sh b/letsencrypt-routeros.sh
index 27d6c2d..2f22e81 100755
--- a/letsencrypt-routeros.sh
+++ b/letsencrypt-routeros.sh
@@ -1,33 +1,56 @@
 #!/bin/bash
-CONFIG_FILE=letsencrypt-routeros.settings
+#set -x
 
-if [[ -z $1 ]] || [[ -z $2 ]] || [[ -z $3 ]] || [[ -z $4 ]] || [[ -z $5 ]]; then
-        echo -e "Usage: $0 or $0 [RouterOS User] [RouterOS Host] [SSH Port] [SSH Private Key] [Domain]\n"
-        source $CONFIG_FILE
-else
-        ROUTEROS_USER=$1
-        ROUTEROS_HOST=$2
-        ROUTEROS_SSH_PORT=$3
-        ROUTEROS_PRIVATE_KEY=$4
-        DOMAIN=$5
+while getopts 'u:h:p:k:d:c:' OPTION; do
+	case "$OPTION" in
+		u)
+			ROUTEROS_USER=${OPTARG}
+			;;
+		h)
+			ROUTEROS_HOST=${OPTARG}
+			;;
+		p)
+			ROUTEROS_SSH_PORT=${OPTARG}
+			;;
+		k)
+			ROUTEROS_PRIVATE_KEY=${OPTARG}
+			;;
+		d)
+			DOMAIN=${OPTARG}
+			;;
+		c)
+			CONFIG=${OPTARG}
+			;;
+		esac
+done
+shift "$(($OPTIND -1))"
+
+if [[ -n ${CONFIG} ]]; then
+	source $CONFIG
+elif [[ -z ${ROUTEROS_USER} ]] || [[ -z ${ROUTEROS_HOST} ]] || [[ -z ${ROUTEROS_SSH_PORT} ]] || [[ -z ${ROUTEROS_PRIVATE_KEY} ]] || [[ -z ${DOMAIN} ]]; then
+        echo -e "Usage:\n$0 -c /path/to/config\nOR\n$0 -u [RouterOS User] -h [RouterOS Host] -p [SSH Port] -k [SSH Private Key] -d [Domain]"
+	exit 1
 fi
 
-if [[ -z $ROUTEROS_USER ]] || [[ -z $ROUTEROS_HOST ]] || [[ -z $ROUTEROS_SSH_PORT ]] || [[ -z $ROUTEROS_PRIVATE_KEY ]] || [[ -z $DOMAIN ]]; then
-        echo "Check the config file $CONFIG_FILE or start with params: $0 [RouterOS User] [RouterOS Host] [SSH Port] [SSH Private Key] [Domain]"
+if [[ -z ${ROUTEROS_USER} ]] || [[ -z ${ROUTEROS_HOST} ]] || [[ -z ${ROUTEROS_SSH_PORT} ]] || [[ -z ${ROUTEROS_PRIVATE_KEY} ]] || [[ -z ${DOMAIN} ]]; then
+        echo "Check the config file ${CONFIG_FILE} or start with params: $0 -u [RouterOS User] -h [RouterOS Host] -p [SSH Port] -k [SSH Private Key] -d [Domain]"
         echo "Please avoid spaces"
         exit 1
 fi
 
-CERTIFICATE=/etc/letsencrypt/live/$DOMAIN/cert.pem
-KEY=/etc/letsencrypt/live/$DOMAIN/privkey.pem
+CERTIFICATE=/etc/letsencrypt/live/${DOMAIN}/cert.pem
+KEY=/etc/letsencrypt/live/${DOMAIN}/privkey.pem
 
 echo ""
-echo "Updating certificate for $DOMAIN"
-echo "  Using certificate $CERTIFICATE"
-echo "  User private key $KEY"
+echo "Updating certificate for ${DOMAIN}"
+echo "  Using certificate ${CERTIFICATE}"
+echo "  User private key ${KEY}"
 
 #Create alias for RouterOS command
-routeros="ssh -i $ROUTEROS_PRIVATE_KEY $ROUTEROS_USER@$ROUTEROS_HOST -p $ROUTEROS_SSH_PORT"
+routeros="ssh -o PubkeyAcceptedAlgorithms=${SSH_ACCEPTED_ALGORITHMS:-ssh-dss,ssh-rsa} -o StrictHostKeyChecking=${SSH_STRICT_KEY_CHECKING:-yes} -i ${ROUTEROS_PRIVATE_KEY} ${ROUTEROS_USER}@${ROUTEROS_HOST} -p ${ROUTEROS_SSH_PORT}"
+
+#Create alias for scp command
+scp="scp -q -o PubkeyAcceptedAlgorithms=${SSH_ACCEPTED_ALGORITHMS:-ssh-dss,ssh-rsa} -o StrictHostKeyChecking=${SSH_STRICT_KEY_CHECKING:-yes} -P ${ROUTEROS_SSH_PORT} -i ${ROUTEROS_PRIVATE_KEY}"
 
 echo ""
 echo "Checking connection to RouterOS"
@@ -36,7 +59,7 @@ echo "Checking connection to RouterOS"
 $routeros /system resource print
 RESULT=$?
 
-if [[ ! $RESULT == 0 ]]; then
+if [[ ! ${RESULT} == 0 ]]; then
         echo -e "\nError in: $routeros"
         echo "More info: https://wiki.mikrotik.com/wiki/Use_SSH_to_execute_commands_(DSA_key_login)"
         exit 1
@@ -44,72 +67,79 @@ else
         echo -e "\nConnection to RouterOS Successful!\n" 
 fi
 
-if [ ! -f $CERTIFICATE ] && [ ! -f $KEY ]; then
-        echo -e "\nFile(s) not found:\n$CERTIFICATE\n$KEY\n"
+if [ ! -f ${CERTIFICATE} ] && [ ! -f ${KEY} ]; then
+        echo -e "\nFile(s) not found:\n${CERTIFICATE}\n${KEY}\n"
         echo -e "Please use CertBot Let'sEncrypt:"
         echo "============================"
-        echo "certbot certonly --preferred-challenges=dns --manual -d $DOMAIN --manual-public-ip-logging-ok"
+        echo "certbot certonly --preferred-challenges=dns --manual -d ${DOMAIN} --manual-public-ip-logging-ok"
         echo "or (for wildcard certificate):"
-        echo "certbot certonly --preferred-challenges=dns --manual -d *.$DOMAIN --manual-public-ip-logging-ok --server https://acme-v02.api.letsencrypt.org/directory"
+        echo "certbot certonly --preferred-challenges=dns --manual -d *.${DOMAIN} --manual-public-ip-logging-ok --server https://acme-v02.api.letsencrypt.org/directory"
         echo "==========================="
         echo -e "and follow instructions from CertBot\n"
         exit 1
 fi
 
 # Set up variables to remove errors
-DOMAIN_INSTALLED_CERT_FILE=$DOMAIN.pem_0
-DOMAIN_CERT_FILE=$DOMAIN.pem
-DOMAIN_KEY_FILE=$DOMAIN.key
+DOMAIN_INSTALLED_CERT_FILE=${DOMAIN}.pem_0
+DOMAIN_CERT_FILE=${DOMAIN}.pem
+DOMAIN_KEY_FILE=${DOMAIN}.key
 
 # Remove previous certificate
-echo "Removing old certificate from installed certificates: $DOMAIN_INSTALLED_CERT_FILE"
-$routeros /certificate remove [find name=$DOMAIN_INSTALLED_CERT_FILE]
+echo "Removing old certificate from installed certificates: ${DOMAIN_INSTALLED_CERT_FILE}"
+$routeros /certificate remove [find name=${DOMAIN_INSTALLED_CERT_FILE}]
 
 echo ""
 echo "Handling new certificate file"
 # Create Certificate
 # Delete Certificate file if the file exist on RouterOS
-echo "  Deleting any old copy of certificate file from disk: $DOMAIN_CERT_FILE"
-$routeros /file remove $DOMAIN_CERT_FILE > /dev/null
+echo "  Deleting any old copy of certificate file from disk: ${DOMAIN_CERT_FILE}"
+$routeros /file remove ${DOMAIN_CERT_FILE} > /dev/null
 # Upload Certificate to RouterOS
-echo "  Uploading new domain certificate file to router: $CERTIFICATE"
-scp -q -P $ROUTEROS_SSH_PORT -i "$ROUTEROS_PRIVATE_KEY" "$CERTIFICATE" "$ROUTEROS_USER"@"$ROUTEROS_HOST":"$DOMAIN_CERT_FILE"
+echo "  Uploading new domain certificate file to router: ${CERTIFICATE}"
+$scp "${CERTIFICATE}" "${ROUTEROS_USER}"@"${ROUTEROS_HOST}":"${DOMAIN_CERT_FILE}"
 sleep 2
 # Import Certificate file
 echo "  Importing new certificate file to router certificates"
-$routeros /certificate import file-name=$DOMAIN_CERT_FILE passphrase=\"\"
+$routeros /certificate import file-name=${DOMAIN_CERT_FILE} passphrase=\"\"
 # Delete Certificate file after import
-echo "  Deleting any new copy of certificate file from disk: $DOMAIN_CERT_FILE"
-$routeros /file remove $DOMAIN_CERT_FILE
+echo "  Deleting any new copy of certificate file from disk: ${DOMAIN_CERT_FILE}"
+$routeros /file remove ${DOMAIN_CERT_FILE}
 
 echo ""
 echo "Handling new key file"
 # Create Key
 # Delete Certificate file if the file exist on RouterOS
-echo "  Deleting any old copy of key file from disk: $DOMAIN_KEY_FILE"
-$routeros /file remove $DOMAIN_KEY_FILE > /dev/null
+echo "  Deleting any old copy of key file from disk: ${DOMAIN_KEY_FILE}"
+$routeros /file remove ${DOMAIN_KEY_FILE} > /dev/null
 # Upload Key to RouterOS
-echo "  Uploading new domain key file to router: $KEY"
-scp -q -P $ROUTEROS_SSH_PORT -i "$ROUTEROS_PRIVATE_KEY" "$KEY" "$ROUTEROS_USER"@"$ROUTEROS_HOST":"$DOMAIN_KEY_FILE"
+echo "  Uploading new domain key file to router: ${KEY}"
+$scp "${KEY}" "${ROUTEROS_USER}"@"${ROUTEROS_HOST}":"${DOMAIN_KEY_FILE}"
 sleep 2
 # Import Key file
 echo "  Importing new key file to router certificates"
-$routeros /certificate import file-name=$DOMAIN_KEY_FILE passphrase=\"\"
+$routeros /certificate import file-name=${DOMAIN_KEY_FILE} passphrase=\"\"
 # Delete Certificate file after import
-echo "  Deleting any new copy of key file from disk: $DOMAIN_KEY_FILE"
-$routeros /file remove $DOMAIN_KEY_FILE
+echo "  Deleting any new copy of key file from disk: ${DOMAIN_KEY_FILE}"
+$routeros /file remove ${DOMAIN_KEY_FILE}
 
 echo ""
 
-# Setup Certificate to SSTP Server
-echo "Updating SSTP Server to use $DOMAIN_INSTALLED_CERT_FILE"
-$routeros /interface sstp-server server set certificate=$DOMAIN_INSTALLED_CERT_FILE
+# Setup Certificate to SSTP Service
+if [[ "${SETUP_SERVICES[*]:-SSTP}" =~ "SSTP" ]]; then
+	echo "Updating SSTP Server to use ${DOMAIN_INSTALLED_CERT_FILE}"
+	$routeros /interface sstp-server server set certificate=${DOMAIN_INSTALLED_CERT_FILE}
+fi
 
-# Setup Certificate to SSL
-echo "Updating HTTPS Server to use $DOMAIN_INSTALLED_CERT_FILE"
-$routeros /ip service set www-ssl certificate=$DOMAIN_INSTALLED_CERT_FILE
+# Setup Certificate to WWW Service
+if [[ "${SETUP_SERVICES[*]:-WWW}" =~ "WWW" ]]; then
+	echo "Updating HTTPS Server to use ${DOMAIN_INSTALLED_CERT_FILE}"
+	$routeros /ip service set www-ssl certificate=${DOMAIN_INSTALLED_CERT_FILE}
+fi
 
-echo "Updating API SSL Server to use $DOMAIN_INSTALLED_CERT_FILE"
-$routeros /ip service set api-ssl certificate=$DOMAIN_INSTALLED_CERT_FILE
+# Setup Certificat to API Service
+if [[ "${SETUP_SERVICES[*]:-API}" =~ "API" ]]; then
+	echo "Updating API SSL Server to use ${DOMAIN_INSTALLED_CERT_FILE}"
+	$routeros /ip service set api-ssl certificate=${DOMAIN_INSTALLED_CERT_FILE}
+fi
 
 exit 0