diff --git a/header/puit.h b/header/puit.h
index 7cfd3ed..f6e1032 100644
--- a/header/puit.h
+++ b/header/puit.h
@@ -6,5 +6,6 @@
 int launchPuit(int nombreMessage,int tailleMessage,int isTCP,int port,char * ipAddress,int isBAL);
 int initSocket(int socketType, struct sockaddr_in * socketStruct, int port, char * ipAddress);
 int receiveMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct, int isTCP);
+int modeBoiteAuxLettres(struct sockaddr_in socketStruct, int socketType, int port, char * ipAddress);
 
 #endif
\ No newline at end of file
diff --git a/src/puit.c b/src/puit.c
index 8614c98..934498d 100644
--- a/src/puit.c
+++ b/src/puit.c
@@ -5,12 +5,13 @@ int launchPuit(int nombreMessage,int tailleMessage,int isTCP,int port,char * ipA
     int sock,socketType;
     struct sockaddr_in socketPuit;
     socketType = (isTCP) ? SOCK_STREAM : SOCK_DGRAM;
-    sock = initSocket(socketType,&socketPuit,port,ipAddress);
     if(isBAL)
     {
         printf("Mode Boîte aux Lettres\n");
+        modeBoiteAuxLettres(socketPuit,socketType,port,ipAddress);
         return 0;
     }
+    sock = initSocket(socketType,&socketPuit,port,ipAddress);
     receiveMultipleData(nombreMessage,tailleMessage,sock,socketPuit,isTCP);
     close(sock);
     return 0;
@@ -33,6 +34,31 @@ int initSocket(int socketType, struct sockaddr_in * socketStruct, int port, char
     return sockReturn;
 }
 
+int modeBoiteAuxLettres(struct sockaddr_in socketStruct, int socketType, int port, char * ipAddress)
+{
+    char messageRecu[30+1];
+    int n, i=1, longueurRecu = sizeof(socketStruct),sock,oldSock;
+    while(1)
+    {
+        n=1;
+        oldSock = initSocket(socketType,&socketStruct,port,ipAddress);
+        listen(oldSock,5);
+        sock = accept(oldSock,(struct sockaddr *)&socketStruct,(socklen_t * restrict)&longueurRecu);
+        while(n>0)
+        {
+            n = read(sock,messageRecu,30);
+            messageRecu[n] = '\0';
+            if(n>0)
+            {
+                printf("Puit\tReception n°%d (%d) :\t[%s]\n",i,n,messageRecu);
+                i++;
+            }
+        }
+        close(sock);
+        close(oldSock);
+    }
+}
+
 int receiveMultipleData(int nombreMessages, int tailleMessage, int sock, struct sockaddr_in socketStruct, int isTCP)
 {
     char messageRecu[tailleMessage+1];