diff --git a/adminstuds.php b/adminstuds.php
index 45c7c0b3df11693a8ef75820db85e9cb3e48cb2a..9ee5b9d17273b5759899508a7c2652a6c559bd91 100644
--- a/adminstuds.php
+++ b/adminstuds.php
@@ -103,7 +103,6 @@ $dsondage=$sondage->FetchObject(false);
 
 //si la valeur du nouveau titre est valide et que le bouton est activé
 $adresseadmin = $dsondage->mail_admin;
-$headers =  makeHeaders() ;
 
 if (isset($_POST["boutonnouveautitre"]) || isset($_POST["boutonnouveautitre_x"])) {
   if(issetAndNoEmpty('nouveautitre') === false) {
@@ -120,8 +119,7 @@ if (isset($_POST["boutonnouveautitre"]) || isset($_POST["boutonnouveautitre_x"])
             _("[ADMINISTRATOR] New title for your poll") . ' ' . NOMAPPLICATION,
             _("You have changed the title of your poll. \nYou can modify this poll with this link") .
             " :\n\n".getUrlSondage($numsondageadmin, true)."\n\n" .
-            _("Thanks for your confidence.") . "\n" . NOMAPPLICATION,
-            $headers );
+            _("Thanks for your confidence.") . "\n" . NOMAPPLICATION );
     }
   }
 }
@@ -143,8 +141,7 @@ if (isset($_POST["boutonnouveauxcommentaires"]) || isset($_POST["boutonnouveauxc
             _("[ADMINISTRATOR] New comments for your poll") . ' ' . NOMAPPLICATION,
             _("You have changed the comments of your poll. \nYou can modify this poll with this link") .
             " :\n\n".getUrlSondage($numsondageadmin, true)." \n\n" .
-            _("Thanks for your confidence.") . "\n" . NOMAPPLICATION,
-            $headers );
+            _("Thanks for your confidence.") . "\n" . NOMAPPLICATION );
     }
   }
 }
@@ -166,8 +163,7 @@ if (isset($_POST["boutonnouvelleadresse"]) || isset($_POST["boutonnouvelleadress
             _("[ADMINISTRATOR] New email address for your poll") . ' ' . NOMAPPLICATION,
             _("You have changed your email address in your poll. \nYou can modify this poll with this link") .
             " :\n\n".getUrlSondage($numsondageadmin, true)."\n\n" .
-            _("Thanks for your confidence.") . "\n" . NOMAPPLICATION,
-            $headers );
+            _("Thanks for your confidence.") . "\n" . NOMAPPLICATION );
     }
   }
 }
@@ -327,8 +323,7 @@ if (isset($_POST["confirmesuppression"]) || isset($_POST["confirmesuppression_x"
           _("[ADMINISTRATOR] Removing of your poll") . ' ' . NOMAPPLICATION,
           _("You have removed your poll. \nYou can make new polls with this link") .
           " :\n\n".get_server_name()."index.php \n\n" .
-          _("Thanks for your confidence.") . "\n" . NOMAPPLICATION,
-          $headers );
+          _("Thanks for your confidence.") . "\n" . NOMAPPLICATION );
 
     //affichage de l'ecran de confirmation de suppression de sondage
     print_header();
@@ -471,12 +466,10 @@ if (isset($_POST["ajoutercolonne_x"]) && issetAndNoEmpty('nouvellecolonne') && (
   $sql = $connect->Prepare($sql);
   if ($connect->Execute($sql, array($nouveauxsujets, $numsondage))) {
     //envoi d'un mail pour prévenir l'administrateur du changement
-    $headers =  makeHeaders() ;
 
     sendEmail( "$adresseadmin", "" . _("[ADMINISTRATOR] New column for your poll").NOMAPPLICATION, "" .
           _("You have added a new column in your poll. \nYou can inform the voters of this change with this link") .
-          " : \n\n".getUrlSondage($numsondage)." \n\n " . _("Thanks for your confidence.") . "\n".NOMAPPLICATION,
-          $headers );
+          " : \n\n".getUrlSondage($numsondage)." \n\n " . _("Thanks for your confidence.") . "\n".NOMAPPLICATION );
   }
 }
 
@@ -590,8 +583,7 @@ if (isset($_POST["ajoutercolonne_x"]) && ($dsondage->format == "D" || $dsondage-
     sendEmail( $adresseadmin,
           _("[ADMINISTRATOR] New column for your poll"),
           _("You have added a new column in your poll. \nYou can inform the voters of this change with this link").
-          " : \n\n".getUrlSondage($numsondage)." \n\n " . _("Thanks for your confidence.") . "\n".NOMAPPLICATION,
-          $headers );
+          " : \n\n".getUrlSondage($numsondage)." \n\n " . _("Thanks for your confidence.") . "\n".NOMAPPLICATION );
   } else {
     $erreur_ajout_date="yes";
   }
diff --git a/contacts.php b/contacts.php
index ef6c9a3ffda11115106fdabbf28c1d49ed4826f3..d1d72c4bbe3b03cbef6fdd653459b56e2b2307ce 100644
--- a/contacts.php
+++ b/contacts.php
@@ -52,15 +52,16 @@ if ((isset($_POST['envoiquestion']) || isset($_POST['envoiquestion_x'])) && isse
   $message=str_replace("\\","",$_POST["question"]);
   
   //envoi des mails
-  $headers =  makeHeaders() ;
 
   if (isset($_POST['adresse_mail']) && !empty($_POST['adresse_mail']) && validateEmail($_POST['adresse_mail'])) {
-    $headers .= "\r\n".'Reply-To: '.$_POST['adresse_mail'];
+    $headers = 'Reply-To: '.$_POST['adresse_mail'];
+  } else {
+    $headers = '' ;
   }
+
   sendEmail( ADRESSEMAILADMIN, "" . _("[CONTACT] You have sent a question ") . "".NOMAPPLICATION, "" . _("You have a question from a user ") . " ".NOMAPPLICATION."\n\n" . _("User") . " : ".$_POST["nom"]."\n\n" . _("User's email address") . " : $_POST[adresse_mail]\n\n" . _("Message") . " :".$message,$headers );
   if (isset($_POST['adresse_mail']) && !empty($_POST['adresse_mail']) && validateEmail($_POST['adresse_mail'])) {
-    $headers =  makeHeaders() ;
-    sendEmail( "$_POST[adresse_mail]", "" . _("[COPY] Someone has sent a question ") . "".NOMAPPLICATION, "" . _("Here is a copy of your question") . " :\n\n".$message." \n\n" . _("We're going to answer your question shortly.") . "\n\n" . _("Thanks for your confidence.") . "\n".NOMAPPLICATION,$headers );
+    sendEmail( "$_POST[adresse_mail]", "" . _("[COPY] Someone has sent a question ") . "".NOMAPPLICATION, "" . _("Here is a copy of your question") . " :\n\n".$message." \n\n" . _("We're going to answer your question shortly.") . "\n\n" . _("Thanks for your confidence.") . "\n".NOMAPPLICATION );
   }
   
   //affichage de la page de confirmation d'envoi
diff --git a/creation_sondage.php b/creation_sondage.php
index 648be34dcf34e72edfccb3dddc4e808ae675ef2b..f0e2d409c299561c7a8393de6fc2116514527a7f 100644
--- a/creation_sondage.php
+++ b/creation_sondage.php
@@ -82,8 +82,6 @@ function ajouter_sondage()
     $date_fin = time()+15552000;
   }
   
-  $headers =  makeHeaders() ;
-  
   global $connect;
   
   $sql = 'INSERT INTO sondage
@@ -118,8 +116,8 @@ function ajouter_sondage()
   $message_admin = sprintf($message_admin, getUrlSondage($sondage_admin, true));
   
   if (validateEmail($_SESSION['adresse'])) {
-    sendEmail( "$_SESSION[adresse]", "[".NOMAPPLICATION."][" . _("Author's message")  . "] " . _("Poll") . " : ".stripslashes(htmlspecialchars_decode($_SESSION["titre"],ENT_QUOTES)), $message_admin, $headers );
-    sendEmail( "$_SESSION[adresse]", "[".NOMAPPLICATION."][" . _("For sending to the polled users") . "] " . _("Poll") . " : ".stripslashes(htmlspecialchars_decode($_SESSION["titre"],ENT_QUOTES)), $message, $headers );
+    sendEmail( "$_SESSION[adresse]", "[".NOMAPPLICATION."][" . _("Author's message")  . "] " . _("Poll") . " : ".stripslashes(htmlspecialchars_decode($_SESSION["titre"],ENT_QUOTES)), $message_admin );
+    sendEmail( "$_SESSION[adresse]", "[".NOMAPPLICATION."][" . _("For sending to the polled users") . "] " . _("Poll") . " : ".stripslashes(htmlspecialchars_decode($_SESSION["titre"],ENT_QUOTES)), $message );
   }
   
   $date=date('H:i:s d/m/Y:');
diff --git a/fonctions.php b/fonctions.php
index 169a538dd032f1a5dfa981b930e67246aebfe252..89aa52b85a0ac08647678950f50c9cc8cc15902f 100644
--- a/fonctions.php
+++ b/fonctions.php
@@ -183,25 +183,18 @@ function sendEmail( $to, $subject, $body, $headers, $param)
   } ;
 
   $subject = '=?UTF-8?B?' . base64_encode( html_entity_decode( $subject, ENT_QUOTES, 'UTF-8' ) ) . '?=' ;
-  $body = html_entity_decode( $body, ENT_QUOTES, 'UTF-8' ) ;
-
-  mail( $to, $subject, $body, $headers, $param ) ;
-
-}
 
-function makeHeaders() {
+  $encoded_app = '=?UTF-8?B?' . base64_encode( NOMAPPLICATION ) . '?=' ;
 
-  $headers_str = <<<EOF
-From: %s <%s>
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-EOF;
+  if ( $headers ) $headers .= "\r\n"
+  $headers .= sprintf( "From: %s <%s>\r\n", $encoded_app, ADRESSEMAILADMIN )
+  $headers .= "MIME-Version: 1.0\r\n"
+  $headers .= "Content-Type: text/plain; charset=UTF-8\r\n"
+  $headers .= "Content-Transfer-Encoding: 8bit"
 
-  $encoded_app = '=?UTF-8?B?' . base64_encode( NOMAPPLICATION ) . '?=' ;
-  $headers = sprintf( $headers_str, $encoded_app, ADRESSEMAILADMIN ) ;
+  $body = html_entity_decode( $body, ENT_QUOTES, 'UTF-8' ) ;
 
-  return $headers ;
+  mail( $to, $subject, $body, $headers, $param ) ;
 
 }
 
diff --git a/studs.php b/studs.php
index c74052b11b7a16f82c45255996bf4a1c147d4163..fd89460dd39f6301b4ca7a1567b644699e4c834c 100644
--- a/studs.php
+++ b/studs.php
@@ -171,14 +171,12 @@ if (!is_error(NO_POLL) && (isset($_POST["boutonp"]) || isset($_POST["boutonp_x"]
       $connect->Execute($sql, array($nom, $numsondage, $nouveauchoix));
 
       if ($dsondage->mailsonde || /* compatibility for non boolean DB */ $dsondage->mailsonde=="yes" || $dsondage->mailsonde=="true") {
-        $headers =  makeHeaders() ;
         sendEmail( "$dsondage->mail_admin",
               "[".NOMAPPLICATION."] "._("Poll's participation")." : ".html_entity_decode($dsondage->titre, ENT_QUOTES, 'UTF-8')."",
               html_entity_decode("\"$nom\" ", ENT_QUOTES, 'UTF-8').
               _("has filled a line.\nYou can find your poll at the link") . " :\n\n".
               getUrlSondage($numsondage)." \n\n" .
-              _("Thanks for your confidence.") . "\n". NOMAPPLICATION,
-              $headers );
+              _("Thanks for your confidence.") . "\n". NOMAPPLICATION );
       }
     }
   } else {
@@ -307,8 +305,7 @@ if ($testmodifier) {
       $connect->Execute($sql, array($nouveauchoix, $data->nom, $data->id_users));
       
       if ($dsondage->mailsonde=="yes") {
-        $headers =  makeHeaders() ;
-        sendEmail( "$dsondage->mail_admin", "[".NOMAPPLICATION."] " . _("Poll's participation") . " : ".html_entity_decode($dsondage->titre, ENT_QUOTES, 'UTF-8'), "\"".html_entity_decode($data->nom, ENT_QUOTES, 'UTF-8')."\""."" . _("has filled a line.\nYou can find your poll at the link") . " :\n\n".getUrlSondage($numsondage)." \n\n" . _("Thanks for your confidence.") . "\n".NOMAPPLICATION,$headers );
+        sendEmail( "$dsondage->mail_admin", "[".NOMAPPLICATION."] " . _("Poll's participation") . " : ".html_entity_decode($dsondage->titre, ENT_QUOTES, 'UTF-8'), "\"".html_entity_decode($data->nom, ENT_QUOTES, 'UTF-8')."\""."" . _("has filled a line.\nYou can find your poll at the link") . " :\n\n".getUrlSondage($numsondage)." \n\n" . _("Thanks for your confidence.") . "\n".NOMAPPLICATION );
       }
     }