diff --git a/main.go b/main.go
index 6e3dbf2..5c0703c 100644
--- a/main.go
+++ b/main.go
@@ -18,6 +18,7 @@ import (
 const (
 	Version               = "v0.5-dev"
 	configurationFilePath = "http-auth/httpAuth.conf"
+	langFilePath          = "http-auth/messages.lang"
 	PathConfEnvVariable   = "XDG_CONFIG_DIRS"
 	DefaultXdgConfigDirs  = "/etc/xdg"
 )
@@ -32,6 +33,7 @@ func init() {
 	if !loadConfigFile() {
 		log.Fatal("Failed to load configuration file.")
 	}
+	loadLangFile()
 
 	// HTTP config
 	httpTimeout, err := strconv.Atoi(mapConfig["http_timeout_sec"])
@@ -98,6 +100,28 @@ func loadConfigFile() bool {
 	return ret
 }
 
+func loadLangFile() bool {
+	ret := false
+	envVariable := os.Getenv(PathConfEnvVariable)
+	if envVariable == "" {
+		envVariable = DefaultXdgConfigDirs
+	}
+	for _, path := range strings.Split(envVariable, ":") {
+		log.Println("Try to find messages lang file into " + path)
+		langFile := path + "/" + langFilePath
+		if _, err := os.Stat(langFile); err == nil {
+			// The config file exist
+			if cfg.Load(langFile, xmpp.MapLangs) == nil {
+				// And has been loaded succesfully
+				log.Println("Find messages lang file at " + langFile)
+				ret = true
+				break
+			}
+		}
+	}
+	return ret
+}
+
 func main() {
 
 	go http.Run()
diff --git a/xmpp/confirmation.go b/xmpp/confirmation.go
index def70cb..a7b2ffb 100644
--- a/xmpp/confirmation.go
+++ b/xmpp/confirmation.go
@@ -5,6 +5,7 @@ import (
 
 	"log"
 	"strconv"
+	"strings"
 )
 
 const (
@@ -14,6 +15,15 @@ const (
 
 	TYPE_SEND_MESSAGE = "type_send_message"
 	TYPE_SEND_IQ      = "type_send_iq"
+
+	TEMPLATE_DOMAIN          = "_DOMAIN_"
+	TEMPLATE_METHOD          = "_METHOD_"
+	TEMPLATE_VALIDATION_CODE = "_VALIDE_CODE_"
+	DEFAULT_MESSAGE          = "_DOMAIN_ (with method _METHOD_) need to validate your identity, do you agree ?\nValidation code : _VALIDE_CODE_\nPlease check that this code is the same as on _DOMAIN_.\n\nIf your client doesn't support that functionnality, please send back the validation code to confirm the request."
+)
+
+var (
+	MapLangs = make(map[string]string)
 )
 
 type Confirmation struct {
@@ -53,12 +63,8 @@ func (confirmation *Confirmation) askViaIQ() {
 
 func (confirmation *Confirmation) askViaMessage() {
 	m := xmpp.Message{From: jid.Full(), To: confirmation.JID, Type: xmpp.MessageTypeNormal}
-
 	m.Thread = xmpp.SessionID()
-	m.Body = confirmation.Domain + " (with method " + confirmation.Method + ") need to validate your identity, do you agree ?"
-	m.Body += "\nValidation code : " + confirmation.Transaction
-	m.Body += "\nPlease check that this code is the same as on " + confirmation.Domain
-	m.Body += "\n\nIf your client doesn't support that functionnality, please send back the validation code to confirm the request."
+	confirmation.setBodies(&m)
 	m.Confir = &xmpp.Confirm{Id: confirmation.Transaction, Method: confirmation.Method, URL: confirmation.Domain}
 
 	log.Printf("%sSend message %v", LogInfo, m)
@@ -68,3 +74,24 @@ func (confirmation *Confirmation) askViaMessage() {
 	confirmation.TypeSend = TYPE_SEND_MESSAGE
 	confirmation.IdMap = confirmation.Transaction
 }
+
+func (confirmation *Confirmation) setBodies(message *xmpp.Message) {
+	msg := DEFAULT_MESSAGE
+	if len(MapLangs) == 0 {
+		msg = strings.Replace(msg, TEMPLATE_DOMAIN, confirmation.Domain, -1)
+		msg = strings.Replace(msg, TEMPLATE_METHOD, confirmation.Method, -1)
+		msg = strings.Replace(msg, TEMPLATE_VALIDATION_CODE, confirmation.Transaction, -1)
+		message.Body = append(message.Body, xmpp.MessageBody{Lang: "en", Value: msg})
+	} else {
+		for key, val := range MapLangs {
+			msg = val
+			msg = strings.Replace(msg, TEMPLATE_DOMAIN, confirmation.Domain, -1)
+			msg = strings.Replace(msg, TEMPLATE_METHOD, confirmation.Method, -1)
+			msg = strings.Replace(msg, TEMPLATE_VALIDATION_CODE, confirmation.Transaction, -1)
+			msg = strings.Replace(msg, "\\n", "\n", -1)
+			msg = strings.Replace(msg, "\\r", "\r", -1)
+			msg = strings.Replace(msg, "\\t", "\t", -1)
+			message.Body = append(message.Body, xmpp.MessageBody{Lang: key, Value: msg})
+		}
+	}
+}
diff --git a/xmpp/xmpp.go b/xmpp/xmpp.go
index 4d82cc2..841cc78 100644
--- a/xmpp/xmpp.go
+++ b/xmpp/xmpp.go
@@ -100,10 +100,12 @@ func mainXMPP() {
 			} else {
 				// If body is the confirmation id, it will be considerated as accepted.
 				// In order to be compatible with all confirmations.
-				confirmation := WaitMessageAnswers[v.Body]
-				jidFrom, _ := xmpp.ParseJID(v.From)
-				if confirmation != nil && confirmation.JID == jidFrom.Bare() {
-					processConfirm(v, confirmation)
+				if len(v.Body) > 0 {
+					confirmation := WaitMessageAnswers[v.Body[0].Value]
+					jidFrom, _ := xmpp.ParseJID(v.From)
+					if confirmation != nil && confirmation.JID == jidFrom.Bare() {
+						processConfirm(v, confirmation)
+					}
 				}
 			}