diff --git a/recipes/recipe_check_postfix_protocol_config.sh b/recipes/recipe_check_postfix_protocol_config.sh
index ecd0994..3037551 100644
--- a/recipes/recipe_check_postfix_protocol_config.sh
+++ b/recipes/recipe_check_postfix_protocol_config.sh
@@ -1,35 +1,45 @@
 print_config_title 'CHECK POSTFIX BASIC CONFIG'
 
-# This script just check the parameter inet_protocols
-echo -e "Check ${BLUE}Postfix${NC} config file /etc/postfix/main.cf (parameter inet_protocols)"
+# Check /etc/postfix/main.cf config file mail_owner/inet_protocols parameters
 
-# Check if inet_protocols exist but different than expected (success if return code = 1)
-grep "^[[:space:]]*inet_protocols" /etc/postfix/main.cf \
-	| grep -q -v -e "^[[:space:]]*inet_protocols[[:space:]]*=[[:space:]]*all[[:space:]]*$" 
+# mail_owner
+check_value_in_conf_file "SNMP" "/etc/postfix/main.cf" "mail_owner" "postfix"
 
-# Return Code
-RC=$?
+case ${?} in
+0) # OK, nothing to do
+	;;
+1) # Error (wrong number of param or other)
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" Error during mail_owner check with function check_value_in_conf_file, maybe incorrect number of parameter;" 
+	;;
+2) # Unexpected value is set
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" mail_owner are not well configured or has other value, set 'mail_owner = postfix';"
+	;;
+3) # All expected values are NOT configured
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" mail_owner are not well configured, set 'mail_owner = postfix';"
+	;;
+*) # Unknown return code...
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" Error, unknown return code when calling check_value_in_conf_file to check mail_owner;" 
+	;;
+esac
+
+
+# inet_protocols
+check_value_in_conf_file "SNMP" "/etc/postfix/main.cf" "inet_protocols" "all"
+
+case ${?} in
+0) # OK, nothing to do
+	;;
+1) # Error (wrong number of param or other)
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" Error during inet_protocols check with function check_value_in_conf_file, maybe incorrect number of parameter;" 
+	;;
+2) # Unexpected value is set
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" inet_protocols are not well configured or has other value, set 'inet_protocols = all';"
+	;;
+3) # All expected values are NOT configured
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" inet_protocols are not well configured, set 'inet_protocols = all';"
+	;;
+*) # Unknown return code...
+	POSTFIX_CONFIG_CHECK_FAILED=${POSTFIX_CONFIG_CHECK_FAILED}" Error, unknown return code when calling check_value_in_conf_file to check inet_protocols;" 
+	;;
+esac
 
-# inet_protocols has other value than expected
-if [ $RC -eq 0 ]
-then
-	POSTFIX_CONFIG_CHECK_FAILED="${POSTFIX_CONFIG_CHECK_FAILED} Postfix inet_protocols is not configured as expected, expected : 'inet_protocols = all'"
-	echo -e "${RED}Postfix inet_protocols is NOT CONFIGURED as EXPECTED : check KO${NC}\n"
-# inet_protocols hasn't unexpected value
-else
-	# Check if ALL protocols (IPv4 and IPv6) are configured (success if return code = 0)
-	grep -q "^[[:space:]]*inet_protocols[[:space:]]*=[[:space:]]*all[[:space:]]*$" /etc/postfix/main.cf
-	
-	# Return Code
-	RC=$?
-	
-	# All protocols not configured
-	if [ $RC -ne 0 ]
-	then
-		POSTFIX_CONFIG_CHECK_FAILED="${POSTFIX_CONFIG_CHECK_FAILED} Postfix inet_protocols is not configured as expected, expected : 'inet_protocols = all'"
-		echo -e "${RED}Postfix inet_protocols is NOT CONFIGURED as EXPECTED : check KO${NC}\n"
-	# All protocols configured
-	else
-		echo -e "${GREEN}POSTFIX inet_protocols is CONFIGURED as expected : check OK${NC}\n"
-	fi
-fi
diff --git a/recipes/recipe_check_snmp_config.sh b/recipes/recipe_check_snmp_config.sh
index c9e12b4..05c58a6 100755
--- a/recipes/recipe_check_snmp_config.sh
+++ b/recipes/recipe_check_snmp_config.sh
@@ -1,8 +1,9 @@
 print_config_title 'CHECK SNMP BASIC CONFIG'
 
 # This does NOT check if SNMP 'monitoring server' has configured this machine
-# Check /etc/snmp/snmpd.conf config file agentAddress, rocommunity and trapsink/trap2sink parameters
+# Check /etc/snmp/snmpd.conf config file agentAddress, rocommunity and trapsink/trap2sink/informsink/sysLocation/sysContact parameters
 
+#agentAddress
 check_value_in_conf_file "SNMP" "/etc/snmp/snmpd.conf" "agentAddress" "udp:127.0.0.1:161 udp:${IPV4_ADMIN_LAN_IP}:161 udp6:\[::1\]:161 udp6:\[${IPV6_ADMIN_LAN_IP}\]:161"
 
 case ${?} in
@@ -23,6 +24,7 @@ case ${?} in
 esac
 
 
+#rocommunity
 # No IPv6 here....
 check_value_in_conf_file "SNMP" "/etc/snmp/snmpd.conf" "rocommunity" "public[[:space:]]*127.0.0.1 public[[:space:]]*${IPV4_ADMIN_NETWORK}0/24"
 
@@ -44,6 +46,7 @@ case ${?} in
 esac
 
 
+# trap2sink
 check_value_in_conf_file "SNMP" "/etc/snmp/snmpd.conf" "trap2sink" "${NAME_MASTER_MONITORING}[[:space:]]*public"
 
 case ${?} in
@@ -64,6 +67,7 @@ case ${?} in
 esac
 
 
+# informsink
 check_value_in_conf_file "SNMP" "/etc/snmp/snmpd.conf" "informsink" "${NAME_MASTER_MONITORING}[[:space:]]*public"
 
 case ${?} in
@@ -84,6 +88,7 @@ case ${?} in
 esac
 
 
+# sysLocation
 check_value_in_conf_file "SNMP" "/etc/snmp/snmpd.conf" "sysLocation" "${DC_for_function_check_value_in_conf_file}"
 
 case ${?} in
@@ -104,6 +109,7 @@ case ${?} in
 esac
 
 
+# sysContact
 check_value_in_conf_file "SNMP" "/etc/snmp/snmpd.conf" "sysContact" "${ENTITY_for_function_check_value_in_conf_file}[[:space:]]*<${MAIL_ALIAS_ROOT}>"
 
 case ${?} in