diff --git a/AutomobilePlant/AbstractAutoBusinessLogic/BusinessLogics/MessageLogic.cs b/AutomobilePlant/AbstractAutoBusinessLogic/BusinessLogics/MessageLogic.cs
new file mode 100644
index 0000000..cb81a61
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoBusinessLogic/BusinessLogics/MessageLogic.cs
@@ -0,0 +1,79 @@
+using AbstractShopContracts.StoragesContracts;
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.BusinessLogicsContracts;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.StoragesContracts;
+using AutomobilePlantContracts.ViewModel;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantBusinessLogic.BusinessLogics
+{
+    public class MessageLogic : IMessageInfoLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IMessageInfoStorage _messageStorage;
+        public MessageLogic(ILogger<CarLogic> logger, IMessageInfoStorage messageStorage)
+        {
+            _logger = logger;
+            _messageStorage = messageStorage;
+        }
+        public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
+        {
+            _logger.LogInformation("ReadList");
+            var list = model == null ? _messageStorage.GetFullList() : _messageStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public bool Create(MessageInfoBindingModel model)
+        {
+            CheckModel(model);
+            if (_messageStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(MessageInfoBindingModel model, bool withParams =
+      true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.MessageId))
+            {
+                throw new ArgumentNullException("Нет айди письма", nameof(model.MessageId));
+            }
+            if (!model.ClientId.HasValue)
+            {
+                throw new ArgumentNullException("Нет айди клиента", nameof(model.ClientId));
+            }
+            if (string.IsNullOrEmpty(model.Body))
+            {
+                throw new ArgumentNullException("Нет тела письма", nameof(model.Body));
+            }
+            if (string.IsNullOrEmpty(model.SenderName))
+            {
+                throw new ArgumentNullException("Нет отправителя письма", nameof(model.SenderName));
+            }
+           
+           
+        }
+
+    }
+}
diff --git a/AutomobilePlant/AbstractAutoContracts/BindingModels/MailConfigBindingModel.cs b/AutomobilePlant/AbstractAutoContracts/BindingModels/MailConfigBindingModel.cs
new file mode 100644
index 0000000..fef7485
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoContracts/BindingModels/MailConfigBindingModel.cs
@@ -0,0 +1,17 @@
+namespace AutomobilePlantContracts.BindingModels
+{
+    public class MailConfigBindingModel
+    {
+        public string MailLogin { get; set; } = string.Empty;
+
+        public string MailPassword { get; set; } = string.Empty;
+
+        public string SmtpClientHost { get; set; } = string.Empty;
+
+        public int SmtpClientPort { get; set; }
+
+        public string PopHost { get; set; } = string.Empty;
+
+        public int PopPort { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/AutomobilePlant/AbstractAutoContracts/BindingModels/MailSendInfoBindingModel.cs b/AutomobilePlant/AbstractAutoContracts/BindingModels/MailSendInfoBindingModel.cs
new file mode 100644
index 0000000..4fb2315
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoContracts/BindingModels/MailSendInfoBindingModel.cs
@@ -0,0 +1,11 @@
+namespace AutomobilePlantContracts.BindingModels
+{
+    public class MailSendInfoBindingModel
+    {
+        public string MailAddress { get; set; } = string.Empty;
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Text { get; set; } = string.Empty;
+    }
+}
\ No newline at end of file
diff --git a/AutomobilePlant/AbstractAutoContracts/BindingModels/MessageInfoBindingModel.cs b/AutomobilePlant/AbstractAutoContracts/BindingModels/MessageInfoBindingModel.cs
new file mode 100644
index 0000000..b290a69
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoContracts/BindingModels/MessageInfoBindingModel.cs
@@ -0,0 +1,19 @@
+using AutomobilePlantDataModels.Models;
+
+namespace AutomobilePlantContracts.BindingModels
+{
+    public class MessageInfoBindingModel : IMessageInfoModel
+    {
+        public string MessageId { get; set; } = string.Empty;
+
+        public int? ClientId { get; set; }
+
+        public string SenderName { get; set; } = string.Empty;
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Body { get; set; } = string.Empty;
+
+        public DateTime DateDelivery { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/AutomobilePlant/AbstractAutoContracts/BusinessLogicsContracts/IMessageInfoLogic.cs b/AutomobilePlant/AbstractAutoContracts/BusinessLogicsContracts/IMessageInfoLogic.cs
new file mode 100644
index 0000000..d9c38ca
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoContracts/BusinessLogicsContracts/IMessageInfoLogic.cs
@@ -0,0 +1,13 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.ViewModel;
+
+namespace AutomobilePlantContracts.BusinessLogicsContracts
+{
+    public interface IMessageInfoLogic
+    {
+        List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model);
+
+        bool Create(MessageInfoBindingModel model);
+    }
+}
\ No newline at end of file
diff --git a/AutomobilePlant/AbstractAutoContracts/SearchModel/MessageInfoSearchModel.cs b/AutomobilePlant/AbstractAutoContracts/SearchModel/MessageInfoSearchModel.cs
new file mode 100644
index 0000000..4c632df
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoContracts/SearchModel/MessageInfoSearchModel.cs
@@ -0,0 +1,9 @@
+namespace AutomobilePlantContracts.SearchModel
+{
+    public class MessageInfoSearchModel
+    {
+        public int? ClientId { get; set; }
+
+        public string? MessageId { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/AutomobilePlant/AbstractAutoContracts/StoragesContracts/IMessageInfoStorage.cs b/AutomobilePlant/AbstractAutoContracts/StoragesContracts/IMessageInfoStorage.cs
new file mode 100644
index 0000000..2c107cf
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoContracts/StoragesContracts/IMessageInfoStorage.cs
@@ -0,0 +1,17 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.ViewModel;
+
+namespace AbstractShopContracts.StoragesContracts
+{
+    public interface IMessageInfoStorage
+    {
+        List<MessageInfoViewModel> GetFullList();
+
+        List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model);
+
+        MessageInfoViewModel? GetElement(MessageInfoSearchModel model);
+
+        MessageInfoViewModel? Insert(MessageInfoBindingModel model);
+    }
+}
\ No newline at end of file
diff --git a/AutomobilePlant/AbstractAutoContracts/ViewModel/MessageInfoViewModel.cs b/AutomobilePlant/AbstractAutoContracts/ViewModel/MessageInfoViewModel.cs
new file mode 100644
index 0000000..6394196
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoContracts/ViewModel/MessageInfoViewModel.cs
@@ -0,0 +1,24 @@
+using AutomobilePlantDataModels.Models;
+using System.ComponentModel;
+
+namespace AutomobilePlantContracts.ViewModel
+{
+    public class MessageInfoViewModel : IMessageInfoModel
+    {
+        public string MessageId { get; set; } = string.Empty;
+
+        public int? ClientId { get; set; }
+
+        [DisplayName("Отправитель")]
+        public string SenderName { get; set; } = string.Empty;
+
+        [DisplayName("Дата письма")]
+        public DateTime DateDelivery { get; set; }
+
+        [DisplayName("Заголовок")]
+        public string Subject { get; set; } = string.Empty;
+
+        [DisplayName("Текст")]
+        public string Body { get; set; } = string.Empty;
+    }
+}
\ No newline at end of file
diff --git a/AutomobilePlant/AbstractAutoDataModels/Models/IMessageInfoModel.cs b/AutomobilePlant/AbstractAutoDataModels/Models/IMessageInfoModel.cs
new file mode 100644
index 0000000..8c1f2b9
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoDataModels/Models/IMessageInfoModel.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataModels.Models
+{
+    public interface IMessageInfoModel
+    {
+        string MessageId { get; }
+
+        int? ClientId { get; }
+
+        string SenderName { get; }
+
+        DateTime DateDelivery { get; }
+
+        string Subject { get; }
+
+        string Body { get; }
+    }
+}
diff --git a/AutomobilePlant/AbstractAutoListImplement/DataListSingleton.cs b/AutomobilePlant/AbstractAutoListImplement/DataListSingleton.cs
index 0b4e049..a51c32b 100644
--- a/AutomobilePlant/AbstractAutoListImplement/DataListSingleton.cs
+++ b/AutomobilePlant/AbstractAutoListImplement/DataListSingleton.cs
@@ -15,6 +15,7 @@ namespace AutomobilePlantListImplement
         public List<Car> Cars { get; set; }
         public List<Client> Clients { get; set; }
         public List<Implementer> Implementers { get; set; }
+        public List<MessageInfoModel> Messages { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();
@@ -22,6 +23,7 @@ namespace AutomobilePlantListImplement
             Cars = new List<Car>();
             Clients = new List<Client>();
             Implementers = new List<Implementer>();
+            Messages = new List<MessageInfoModel>();
         }
         public static DataListSingleton GetInstance()
         {
diff --git a/AutomobilePlant/AbstractAutoListImplement/Implements/MessageInfoStorage.cs b/AutomobilePlant/AbstractAutoListImplement/Implements/MessageInfoStorage.cs
new file mode 100644
index 0000000..63946c3
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoListImplement/Implements/MessageInfoStorage.cs
@@ -0,0 +1,98 @@
+using AbstractShopContracts.StoragesContracts;
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantListImplement.Implements
+{
+    public class MessageInfoStorage : IMessageInfoStorage
+      
+    {
+
+        private readonly DataListSingleton _source; 
+        public MessageInfoStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.MessageId) )
+            {
+                return null;
+            }
+
+            foreach (var message in _source.Messages)
+            {
+                if (!string.IsNullOrEmpty(model.MessageId) && message.MessageId.Equals(model.MessageId) )
+                {
+                    return message.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+        {
+            var result = new List<MessageInfoViewModel>();
+
+            if (!model.ClientId.HasValue)
+            {
+                return result;
+            }
+
+            foreach (var message in _source.Messages)
+            {
+                if (message.ClientId == model.ClientId)
+                {
+                    result.Add(message.GetViewModel);
+                }
+            }
+
+            return result;
+        }
+
+        public List<MessageInfoViewModel> GetFullList()
+        {
+            var result = new List<MessageInfoViewModel>();
+
+            foreach (var message in _source.Messages)
+            {
+                result.Add(message.GetViewModel);
+            }
+
+            return result;
+        }
+
+        public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+        {
+            model.MessageId = "1";
+
+            foreach (var message in _source.Messages)
+            {
+                if (model.MessageId.Equals(message.MessageId))
+                {
+                    model.MessageId = (Convert.ToInt32(message.MessageId) +1).ToString();
+                }
+            }
+
+            var newMes = MessageInfoModel.Create(model);
+
+            if (newMes == null)
+            {
+                return null;
+            }
+
+            _source.Messages.Add(newMes);
+
+            return newMes.GetViewModel;
+        }
+    }
+}
diff --git a/AutomobilePlant/AbstractAutoListImplement/Models/MessageInfoModel.cs b/AutomobilePlant/AbstractAutoListImplement/Models/MessageInfoModel.cs
new file mode 100644
index 0000000..649c408
--- /dev/null
+++ b/AutomobilePlant/AbstractAutoListImplement/Models/MessageInfoModel.cs
@@ -0,0 +1,54 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantListImplement.Models
+{
+    public class MessageInfoModel : IMessageInfoModel
+    {
+        public string MessageId { get; set; } = string.Empty;
+
+        public int? ClientId { get; set; }
+
+        public string SenderName { get; set; } = string.Empty;
+
+        public DateTime DateDelivery { get; set; }
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Body { get; set; } = string.Empty;
+
+        public static MessageInfoModel? Create(MessageInfoBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new MessageInfoModel()
+            {
+                MessageId = model.MessageId,
+                ClientId = model.ClientId,
+                SenderName = model.SenderName,
+                DateDelivery = model.DateDelivery,
+                Subject = model.Subject,
+                Body = model.Body,
+            };
+        }
+        public MessageInfoViewModel GetViewModel => new()
+        {
+            MessageId = MessageId,
+            ClientId = ClientId,
+            SenderName = SenderName,
+            DateDelivery = DateDelivery,
+            Subject = Subject,
+            Body = Body,
+        };
+            
+    }
+}
diff --git a/AutomobilePlant/AutomobilePlantDataBaseImplements/AutoPlantDataBase.cs b/AutomobilePlant/AutomobilePlantDataBaseImplements/AutoPlantDataBase.cs
index 145f1cc..163124c 100644
--- a/AutomobilePlant/AutomobilePlantDataBaseImplements/AutoPlantDataBase.cs
+++ b/AutomobilePlant/AutomobilePlantDataBaseImplements/AutoPlantDataBase.cs
@@ -29,5 +29,7 @@ namespace AutomobilePlantDataBaseImplements
         public virtual DbSet<Order> Orders { set; get; }
         public virtual DbSet<Client> Clients { set; get; }
         public virtual DbSet<Implementer> Implementers { set; get; }
+
+        public virtual DbSet<MessageInfo> Messages { set; get; }
     }
 }
diff --git a/AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/ClientStorage.cs b/AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/ClientStorage.cs
index ee5be1d..4f6e9f3 100644
--- a/AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/ClientStorage.cs
+++ b/AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/ClientStorage.cs
@@ -34,7 +34,7 @@ namespace AutomobilePlantDataBaseImplements.Implements
                     .Where(x => x.ClientFIO.Contains(model.ClientFIO))
                     .Select(x => x.GetViewModel)
                     .ToList();
-            }else if (!string.IsNullOrEmpty(model.Email))
+            }else if (!string.IsNullOrEmpty(model.Email)) // Поиск клиента по логину
             {
                 return context.Clients
                     .Where(x => x.Email.Contains(model.Email))
diff --git a/AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/MessageStorage.cs b/AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/MessageStorage.cs
new file mode 100644
index 0000000..dc197b9
--- /dev/null
+++ b/AutomobilePlant/AutomobilePlantDataBaseImplements/Implements/MessageStorage.cs
@@ -0,0 +1,68 @@
+using AbstractShopContracts.StoragesContracts;
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataBaseImplements.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements.Implements
+{
+    public class MessageStorage : IMessageInfoStorage
+    {
+        public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.MessageId) )
+            {
+                return null;
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Messages
+                .Include(x => x.client)
+                .FirstOrDefault(x =>  x.MessageId.Equals(model.MessageId)) 
+                ?.GetViewModel;
+        }
+
+        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+        {
+            if (!model.ClientId.HasValue)
+            {
+                return new();
+            }
+            using var context = new AutoPlantDataBase();
+            return context.Messages
+                    .Include(x => x.client)
+                    .Where(x => x.ClientId == model.ClientId)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<MessageInfoViewModel> GetFullList()
+        {
+            using var context = new AutoPlantDataBase();
+            return context.Messages
+                    .Include(x => x.client)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+        {
+            using var context = new AutoPlantDataBase();
+            var newMes = MessageInfo.Create(model);
+            if (newMes == null)
+            {
+                return null;
+            }
+            context.Messages.Add(newMes);
+            context.SaveChanges();
+            return newMes.GetViewModel;
+        }
+    }
+}
diff --git a/AutomobilePlant/AutomobilePlantDataBaseImplements/Models/MessageInfo.cs b/AutomobilePlant/AutomobilePlantDataBaseImplements/Models/MessageInfo.cs
new file mode 100644
index 0000000..022bbaf
--- /dev/null
+++ b/AutomobilePlant/AutomobilePlantDataBaseImplements/Models/MessageInfo.cs
@@ -0,0 +1,55 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomobilePlantDataBaseImplements.Models
+{
+    public class MessageInfo : IMessageInfoModel
+    {
+        [Required]
+        public string MessageId { get; set; } = string.Empty;
+        public int? ClientId { get; set; }
+        public Client client { get; private set; }
+        [Required]
+        public string SenderName { get; set; } = string.Empty;
+
+        public DateTime DateDelivery { get; set; }
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Body { get; set; } = string.Empty;
+        public static MessageInfo? Create(MessageInfoBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new MessageInfo()
+            {
+                MessageId = model.MessageId,
+                ClientId = model.ClientId,
+                SenderName = model.SenderName,
+                DateDelivery = model.DateDelivery,
+                Subject = model.Subject,
+                Body = model.Body,
+            };
+        }
+        public MessageInfoViewModel GetViewModel => new()
+        {
+            MessageId = MessageId,
+            ClientId = ClientId,
+            SenderName = SenderName,
+            DateDelivery = DateDelivery,
+            Subject = Subject,
+            Body = Body,
+        };
+    }
+}
diff --git a/AutomobilePlant/AutomomilePlantFileImplement/DataFileSingleton.cs b/AutomobilePlant/AutomomilePlantFileImplement/DataFileSingleton.cs
index 8cbbb20..fcbcc1f 100644
--- a/AutomobilePlant/AutomomilePlantFileImplement/DataFileSingleton.cs
+++ b/AutomobilePlant/AutomomilePlantFileImplement/DataFileSingleton.cs
@@ -16,11 +16,13 @@ namespace AutomomilePlantFileImplement
         private readonly string CarFileName = "Car.xml";
         private readonly string ClientFileName = "Client.xml";
         private readonly string ImplementerFileName = "Implementer.xml";
+        private readonly string MessageFileName = "Message.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Car> Cars { get; private set; }
         public List<Client> Clients { get; private set; }
         public List<Implementer> Implementers { get; private set; }
+        public List<MessageInfo> Messages { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -39,6 +41,8 @@ namespace AutomomilePlantFileImplement
        "Cars", x => x.GetXElement);
         public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x
        => x.GetXElement);
+        public void SaveMessages() => SaveData(Messages, MessageFileName, "Messages", x
+      => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x =>
@@ -50,6 +54,7 @@ namespace AutomomilePlantFileImplement
             Implementers = LoadData(ImplementerFileName, "Implementers", x =>
            Implementer.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+            Messages = LoadData(MessageFileName, "Message", x => MessageInfo.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName,
        Func<XElement, T> selectFunction)
diff --git a/AutomobilePlant/AutomomilePlantFileImplement/Implements/MessageStorage.cs b/AutomobilePlant/AutomomilePlantFileImplement/Implements/MessageStorage.cs
new file mode 100644
index 0000000..064bd84
--- /dev/null
+++ b/AutomobilePlant/AutomomilePlantFileImplement/Implements/MessageStorage.cs
@@ -0,0 +1,74 @@
+using AbstractShopContracts.StoragesContracts;
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.SearchModel;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataModels.Models;
+using AutomomilePlantFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AutomomilePlantFileImplement.Implements
+{
+    public class MessageStorage : IMessageInfoStorage
+    {
+        private readonly DataFileSingleton source;
+        public MessageStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.MessageId) )
+            {
+                return null;
+            }
+            return source.Messages
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.MessageId) && x.MessageId.Equals(model.MessageId)))
+            ?.GetViewModel;
+        }
+
+        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+        {
+            if (!model.ClientId.HasValue)
+            {
+                return new();
+            }
+            return source.Messages
+            .Where(x => x.ClientId== model.ClientId)
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        public List<MessageInfoViewModel> GetFullList()
+        {
+            return source.Messages
+             .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+        {
+            if (source.Messages.Count > 0)
+            {
+                var id = source.Messages.Count + 1;
+                model.MessageId = id.ToString();
+            }
+            else
+                model.MessageId = "1";
+
+            var newMes = MessageInfo.Create(model);
+            if (newMes == null)
+            {
+                return null;
+            }
+            source.Messages.Add(newMes);
+            source.SaveMessages();
+            return newMes.GetViewModel;
+        }
+    }
+}
diff --git a/AutomobilePlant/AutomomilePlantFileImplement/Models/MessageInfo.cs b/AutomobilePlant/AutomomilePlantFileImplement/Models/MessageInfo.cs
new file mode 100644
index 0000000..8f05ca2
--- /dev/null
+++ b/AutomobilePlant/AutomomilePlantFileImplement/Models/MessageInfo.cs
@@ -0,0 +1,77 @@
+using AutomobilePlantContracts.BindingModels;
+using AutomobilePlantContracts.ViewModel;
+using AutomobilePlantDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace AutomomilePlantFileImplement.Models
+{
+    public class MessageInfo : IMessageInfoModel
+    {
+        public string MessageId {get;set;} = string.Empty;
+
+        public int? ClientId { get; set; }
+
+        public string SenderName { get; set; } = string.Empty;
+
+        public DateTime DateDelivery { get; set; }
+
+        public string Subject { get; set; } = string.Empty;
+
+        public string Body  { get; set;} = string.Empty;
+        public static MessageInfo? Create(MessageInfoBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new MessageInfo()
+            {
+                MessageId = model.MessageId,
+                ClientId = model.ClientId,
+                SenderName = model.SenderName,
+                DateDelivery = model.DateDelivery,
+                Subject = model.Subject,
+                Body = model.Body,
+            };
+        }
+        public static MessageInfo? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new MessageInfo()
+            {
+                MessageId =element.Attribute("MessageId")!.Value,
+                ClientId = Convert.ToInt32(element.Attribute("ClientId")!.Value),
+                SenderName = element.Attribute("SenderName")!.Value,
+                DateDelivery = DateTime.Parse(element.Element("DateDelivery")!.Value),
+                Subject = element.Attribute("Subject")!.Value,
+                Body = element.Attribute("Body")!.Value,
+            };
+        }
+       
+        public MessageInfoViewModel GetViewModel => new()
+        {
+            MessageId = MessageId,
+            ClientId = ClientId,
+            SenderName = SenderName,
+            DateDelivery = DateDelivery,
+            Subject = Subject,
+            Body = Body,
+        };
+        public XElement GetXElement => new("MessageInfo",
+        new XAttribute("MessageId", MessageId),
+        new XElement("ClientId", ClientId.ToString()),
+        new XElement("SenderName", SenderName),
+        new XElement("DateDelivery", DateDelivery.ToString()),
+        new XElement("Subject", Subject),
+        new XElement("Body", Body)
+        );
+    }
+}