diff --git a/StandManager.MailProcessor/appsettings.json b/StandManager.MailProcessor/appsettings.json
index 000a4e5..285fedf 100644
--- a/StandManager.MailProcessor/appsettings.json
+++ b/StandManager.MailProcessor/appsettings.json
@@ -12,7 +12,7 @@
   "EmailConfig": {
     "From": "registrazioni@gruppodac.eu",
     "ServerAddress": "https://mailbridge.gruppodac.eu/api/graph/NewMessageHtml",
-    "MailSplitChar": "#",
+    "MailSplitChar": ";",
     "RangeSize": 20
   }
 }
diff --git a/StandManager.Service/RegistrazioneMailProcessor.cs b/StandManager.Service/RegistrazioneMailProcessor.cs
index 44cc67c..7f10e85 100644
--- a/StandManager.Service/RegistrazioneMailProcessor.cs
+++ b/StandManager.Service/RegistrazioneMailProcessor.cs
@@ -20,7 +20,8 @@ public class RegistrazioneMailProcessor : IMailProcessor
     
     public async Task ProcessAsync(List<MailQueue> mailQueueList, EmailConfig _config, HttpClient httpClient)
     {
-        var size = _config.RangeSize != 0 ? _config.RangeSize : mailQueueList.Count;
+        // Default size dei chunck è 20
+        var size = _config.RangeSize != 0 ? _config.RangeSize : 20;
 
         foreach (var chunk in mailQueueList.Chunk(size))
         {
@@ -36,7 +37,7 @@ public class RegistrazioneMailProcessor : IMailProcessor
                                : string.Format(mailQueue.Body, mailQueue.Args?.Split(_config.MailSplitChar) ?? Array.Empty<string>()),
                         Cc = null,
                         Subject = mailQueue.Subject,
-                        To = mailQueue.ToList.Split(";").ToList() // new() { "g.vitari@oaservice.it" }
+                        To = mailQueue.ToList.Split(_config.MailSplitChar).ToList() // new() { "g.vitari@oaservice.it" }
                     };
 
                     var messageJson = JsonSerializer.Serialize(email);
diff --git a/StandManager/appsettings.json b/StandManager/appsettings.json
index a698ab0..f86d614 100644
--- a/StandManager/appsettings.json
+++ b/StandManager/appsettings.json
@@ -12,7 +12,7 @@
   "EmailConfig": {
     "From": "",
     "ServerAddress": "",
-    "MailSplitChar": "#",
+    "MailSplitChar": ";",
     "RangeSize": 0
   }
 }