diff --git a/SushiBar/SushiBarBusinessLogic/MailWorker/MailKitWorker.cs b/SushiBar/SushiBarBusinessLogic/MailWorker/MailKitWorker.cs
index 215231f..485a5e3 100644
--- a/SushiBar/SushiBarBusinessLogic/MailWorker/MailKitWorker.cs
+++ b/SushiBar/SushiBarBusinessLogic/MailWorker/MailKitWorker.cs
@@ -30,7 +30,14 @@ public class MailKitWorker : AbstractMailWorker
         objSmtpClient.EnableSsl = true;
         objSmtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
         objSmtpClient.Credentials = new NetworkCredential(_mailLogin, _mailPassword);
-        await Task.Run(() => objSmtpClient.Send(objMailMessage));
+        try
+        {
+            await Task.Run(() => objSmtpClient.Send(objMailMessage));
+        }
+        catch (Exception e)
+        {
+            throw e;
+        }
     }
     protected override async Task<List<MessageInfoBindingModel>> ReceiveMailAsync()
     {
diff --git a/SushiBar/SushiBarRestApi/Program.cs b/SushiBar/SushiBarRestApi/Program.cs
index fcef3aa..e3991b6 100644
--- a/SushiBar/SushiBarRestApi/Program.cs
+++ b/SushiBar/SushiBarRestApi/Program.cs
@@ -23,7 +23,7 @@ builder.Services.AddTransient<IClientLogic, ClientLogic>();
 builder.Services.AddTransient<ISushiLogic, SushiLogic>();
 builder.Services.AddTransient<IImplementerLogic, ImplementerLogic>();
 builder.Services.AddTransient<IMessageInfoLogic, MessageInfoLogic>();
-builder.Services.AddTransient<AbstractMailWorker, MailKitWorker>();
+builder.Services.AddSingleton<AbstractMailWorker, MailKitWorker>();
 
 builder.Services.AddControllers();
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
diff --git a/SushiBar/SushiBarRestApi/appsettings.json b/SushiBar/SushiBarRestApi/appsettings.json
index efa4a62..3f00fa7 100644
--- a/SushiBar/SushiBarRestApi/appsettings.json
+++ b/SushiBar/SushiBarRestApi/appsettings.json
@@ -10,6 +10,6 @@
   "SmtpClientPort": "587",
   "PopHost": "pop.gmail.com",
   "PopPort": "995",
-  "MailLogin": "labwork15kafis@gmail.com",
-  "MailPassword": "passlab15"
+  "MailLogin": "sushibarulyanosk7@gmail.com",
+  "MailPassword": "qwzj uqlx uukp bpmc"
 }