diff --git a/StandManager.MailProcessor/appsettings.json b/StandManager.MailProcessor/appsettings.json
index a7252ef..7a310c7 100644
--- a/StandManager.MailProcessor/appsettings.json
+++ b/StandManager.MailProcessor/appsettings.json
@@ -11,7 +11,7 @@
   "AllowedHosts": "*",
   "EmailConfig": {
     "ServerAddress": "https://mailbridge.gruppodac.eu/api/graph/NewMessageHtml",
-    "RangeSize": 3,
+    "RangeSize": 20,
     "From": "registrazioni@gruppodac.eu",
     "MailSplitCharTo": ";",
     "To": "g.vitari@oaservice.it;d.sandrelli@oaservice.it",
diff --git a/StandManager/Components/Pages/Management/Profile.razor b/StandManager/Components/Pages/Management/Profile.razor
index 94aaea5..d131934 100644
--- a/StandManager/Components/Pages/Management/Profile.razor
+++ b/StandManager/Components/Pages/Management/Profile.razor
@@ -31,6 +31,7 @@
                             <div class="col-4 mb-3">
                                 <RadzenText TextStyle="TextStyle.Subtitle2" TagName="TagName.H3">Email</RadzenText>
                                 <RadzenTextBox Style="width: 100%" aria-label="Email" @bind-Value="@profilo.Email" />
+                                <ValidationMessage For="@(() => profilo.Email)" />
                             </div>
                         </div>
                         
diff --git a/StandManager/Components/Pages/Management/Utenti_Edit.razor b/StandManager/Components/Pages/Management/Utenti_Edit.razor
index ae5918a..7aa27e6 100644
--- a/StandManager/Components/Pages/Management/Utenti_Edit.razor
+++ b/StandManager/Components/Pages/Management/Utenti_Edit.razor
@@ -39,16 +39,19 @@
                                             <div class="col-3 mb-3">
                                                 <RadzenText TextStyle="TextStyle.Subtitle2" TagName="TagName.H3">Nome</RadzenText>
                                                 <RadzenTextBox Style="width: 100%" aria-label="Nome" @bind-Value="@utente.Nome" />
+                                                <ValidationMessage For="@(() => utente.Nome)" />
                                             </div>
 
                                             <div class="col-3 mb-3">
                                                 <RadzenText TextStyle="TextStyle.Subtitle2" TagName="TagName.H3">Cognome</RadzenText>
                                                 <RadzenTextBox Style="width: 100%" aria-label="Cognome" @bind-Value="@utente.Cognome" />
+                                                <ValidationMessage For="@(() => utente.Cognome)" />
                                             </div>
 
                                             <div class="col-3 mb-3">
                                                 <RadzenText TextStyle="TextStyle.Subtitle2" TagName="TagName.H3">Email</RadzenText>
                                                 <RadzenTextBox Style="width: 100%" aria-label="Email" @bind-Value="@utente.Email" />
+                                                <ValidationMessage For="@(() => utente.Email)" />
                                             </div>
                                             
                                             <div class="col-3 mb-3">
diff --git a/StandManager/Components/Pages/Registrazione.razor b/StandManager/Components/Pages/Registrazione.razor
index 5f7e66a..756b1ba 100644
--- a/StandManager/Components/Pages/Registrazione.razor
+++ b/StandManager/Components/Pages/Registrazione.razor
@@ -76,6 +76,11 @@
 
     private async Task OnIscrizioneSave()
     {
+        if (!mail.Contains("@"))
+        {
+            await _dialogService.Alert("Inserire un indirizzo Email valido", "Errore", new ConfirmOptions() { OkButtonText = "Ok" });
+            return;
+        }
         var exist = await _managerService.MailQueueService.RicercaPer(x => x.ToList.Contains(mail) && !x.Eliminato);
         if (exist != null && exist?.Id != Guid.Empty)
         {
diff --git a/StandManager/Model/IscrizioneEventoViewModel.cs b/StandManager/Model/IscrizioneEventoViewModel.cs
index e38a8eb..16a6453 100644
--- a/StandManager/Model/IscrizioneEventoViewModel.cs
+++ b/StandManager/Model/IscrizioneEventoViewModel.cs
@@ -1,4 +1,5 @@
 using StandManager.Domain.Entita;
+using StandManager.Service.Mail;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 
@@ -22,6 +23,7 @@ public class IscrizioneEventoViewModel
     [Required(ErrorMessage = "Il cognome è obbigatorio")]
     public string Cognome { get; set; }
     [Required(ErrorMessage = "La E-mail è obbigatoria")]
+    [EmailAddress(ErrorMessage = "Inserisci un indirizzo email valido")]
     public string Email { get; set; }
     [Required(ErrorMessage = "Il numero di telefono è obbigatorio")]
     public string NumeroTelefono { get; set; }
diff --git a/StandManager/Model/ProfiloViewModel.cs b/StandManager/Model/ProfiloViewModel.cs
index 44a7ae7..7457f4f 100644
--- a/StandManager/Model/ProfiloViewModel.cs
+++ b/StandManager/Model/ProfiloViewModel.cs
@@ -40,6 +40,7 @@ public class ProfiloViewModel
     {
         if (string.IsNullOrEmpty(Nome)) throw new ValidationException("Il nome inserito non è valido");
         if (string.IsNullOrEmpty(Cognome)) throw new ValidationException("Il cognome inserito non è valido");
+        if (!Email.Contains("@")) throw new ValidationException("L'indirizzo mail inserito non è valido");
         if (!string.IsNullOrEmpty(Password) && string.IsNullOrEmpty(ConfirmPassword)) throw new Exception("E' necessario inserire la password di conferma");
         if (!string.IsNullOrEmpty(Password) && !string.IsNullOrEmpty(ConfirmPassword) && Password != ConfirmPassword) 
             throw new ValidationException("Le due password non corrispondono");
diff --git a/StandManager/Model/UtenteViewModel.cs b/StandManager/Model/UtenteViewModel.cs
index 81043cc..e63f495 100644
--- a/StandManager/Model/UtenteViewModel.cs
+++ b/StandManager/Model/UtenteViewModel.cs
@@ -7,7 +7,7 @@ public class UtenteViewModel
 {
     public Guid Id { get; set; }
     public string Username { get; set; }
-    [Required]
+    [Required(ErrorMessage = "L'email è obbligatoria")]
     [EmailAddress(ErrorMessage = "Email non valida")]
     public string Email { get; set; }
     public string Password { get; set; }