diff --git a/html/js/noalyss_script.js b/html/js/noalyss_script.js
index 15d3ff4f9..01375da59 100644
--- a/html/js/noalyss_script.js
+++ b/html/js/noalyss_script.js
@@ -4946,7 +4946,15 @@ Noalyss.prototype.save_config_smtp = function ()
                             reconnect();
                             return;
                         }
-                        let json = req.evalJSON();
+                        let json = req.responseJSON;
+                            try {
+                                let json=req.responseJSON;
+                                if (json['status']=='NOK') {
+                                    smoke.alert(json['error']);
+                                }
+                        }catch (e) {
+                            console.error(e)
+                        }
 
 
                     }
@@ -4963,9 +4971,11 @@ Noalyss.prototype.parameter_display_smtp = function ()
     if ($F("smtp_type") == 'smtp') {
         $("smtp_config_div").style.display = "grid";
         $('btn_save1').hide();
+        $('info_snd').hide();
     } else {
         $("smtp_config_div").hide();
         $('btn_save1').show();
+        $('info_snd').show();
 
     }
 };
diff --git a/include/ajax/ajax_email_setting.php b/include/ajax/ajax_email_setting.php
index 0b41e20cb..58b63bfcd 100644
--- a/include/ajax/ajax_email_setting.php
+++ b/include/ajax/ajax_email_setting.php
@@ -75,10 +75,11 @@ if ( $op2 == "save_config_smtp")
                 );
         $mail_parameter->from_post();
         $mail_parameter->save();
-        echo 'OK';
+        echo json_response(["status"=>"OK"])  ;
     } catch (Exception $exc) {
         \record_log($exc);
-        echo 'NOK';
+        echo json_response(["status"=>"NOK","error"=>$exc->getMessage()])  ;
+        
     }
     return;
 }
diff --git a/include/lib/mail_parameter.class.php b/include/lib/mail_parameter.class.php
index fc8339cbd..0b40e197f 100644
--- a/include/lib/mail_parameter.class.php
+++ b/include/lib/mail_parameter.class.php
@@ -137,6 +137,31 @@ class Mail_Parameter
      */
     function save()
     {
+        if ( $this->smtp_replyto!="" && filter_var($this->smtp_replyto, FILTER_VALIDATE_EMAIL) == false)
+        {
+            throw new \Exception (_("adresse réponse invalide"),140); ;
+        }
+        if ( $this->smtp_from!="" && filter_var($this->smtp_from, FILTER_VALIDATE_EMAIL) == false)
+        {
+           throw new \Exception (_("adresse expéditeur invalide"),146); 
+        }
+        if ( $this->smtp_type=="sendmail" && defined("ALLOWED_EMAIL_DOMAIN")) 
+        {
+            $a_allowed=explode(",", ALLOWED_EMAIL_DOMAIN);
+            if ($this->smtp_replyto !="" ) {
+                list($m,$domain)=explode("@",$this->smtp_replyto);
+                if (!in_array($domain, $a_allowed)) {
+                   throw new \Exception (_("adresse réponse invalide"),153); 
+                }
+            }
+            if ($this->smtp_from !="" ) {
+                 list($m,$domain)=explode("@",$this->smtp_from);
+                if (!in_array($domain, $a_allowed)) {
+                   throw new \Exception (_("adresse expéditeur invalide"),160); 
+                }
+            }
+        }
+        
         foreach (self::PARAMETER as $key)
         {
             $id = $this->cn->get_value("select pe_id from parm_mail_server 
@@ -235,13 +260,17 @@ class Mail_Parameter
         $this->smtp_auth=1;
         
     }
-    public static function Factory(\Database $cnx,$reply_to="", $blind_copy="")
+    public static function Factory(\Database $cnx,$reply_to="", $blind_copy="",$mail_setting=MAIL_SETTING_NOALYSS)
     {
+        
         $mail_parameter=new Mail_Parameter($cnx,MAIL_SETTING_NOALYSS);
         if ( $mail_parameter->smtp_type=="sendmail") {
-            return new \Sendmail($mail_parameter->smtp_replyto,$mail_parameter->smtp_replyto);
+            $mail=new \Sendmail();
+            $mail->setReplyTo($reply_to)->setBlindCopy($blind_copy);
+            return $mail;
         } elseif ($mail_parameter->smtp_type=="smtp") {
             $phpmail= new SMTPMail($mail_parameter);
+            $phpmail->setReplyTo($reply_to)->setBlindCopy($blind_copy);
             return $phpmail;
         }
         
diff --git a/include/lib/sendmail_core.class.php b/include/lib/sendmail_core.class.php
index 5e874349b..f20876a7f 100644
--- a/include/lib/sendmail_core.class.php
+++ b/include/lib/sendmail_core.class.php
@@ -74,7 +74,40 @@ class Sendmail_Core
         $this->afile=[];
         
     }
-    public function getSupplemental_param()
+    public function getMailto()
+    {
+        return $this->mailto;
+    }
+
+    public function getBlindCopy()
+    {
+        return $this->blind_copy;
+    }
+
+    public function getReplyTo()
+    {
+        return $this->reply_to;
+    }
+
+    public function setMailto($mailto)
+    {
+        $this->mailto = $mailto;
+        return $this;
+    }
+
+    public function setBlindCopy($blind_copy)
+    {
+        $this->blind_copy = $blind_copy;
+        return $this;
+    }
+
+    public function setReplyTo($reply_to)
+    {
+        $this->reply_to = $reply_to;
+        return $this;
+    }
+
+        public function getSupplemental_param()
     {
         return $this->supplemental_param;
     }
diff --git a/include/template/mail_parameter-input.php b/include/template/mail_parameter-input.php
index 86e0301b6..e9d152dec 100644
--- a/include/template/mail_parameter-input.php
+++ b/include/template/mail_parameter-input.php
@@ -80,7 +80,17 @@ $show=($this->smtp_type=="sendmail")?"none":"grid";
                     value="sendmail">Sendmail</option>
             </select>
         </div>
-         
+            <?php $show2=($this->smtp_type == 'sendmail') ? "none" : "block" ;?>    
+          <p id="info_snd" style="display:<?=$show2?>" class="text-muted">
+                
+            <?php
+             if ( defined('ALLOWED_EMAIL_DOMAIN') )
+            {
+                printf("Domaine accepté %s:",ALLOWED_EMAIL_DOMAIN);
+
+            }
+            ?>
+            </p>
         <div>
             <label for="smtp_from"><?= _("adresse  par défaut email  de l'expéditeur") ?></label>
         </div>