diff --git a/ConfectionaryBusinessLogic/ConfectioneryBusinessLogic.csproj b/ConfectionaryBusinessLogic/ConfectioneryBusinessLogic.csproj
index 8454587..4b0949c 100644
--- a/ConfectionaryBusinessLogic/ConfectioneryBusinessLogic.csproj
+++ b/ConfectionaryBusinessLogic/ConfectioneryBusinessLogic.csproj
@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="DocumentFormat.OpenXml" Version="2.19.0" />
+	<PackageReference Include="MailKit" Version="3.5.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
     <PackageReference Include="PDFsharp-MigraDoc-GDI" Version="1.50.5147" />
   </ItemGroup>
diff --git a/ConfectionaryListImplement/DataListSingleton.cs b/ConfectionaryListImplement/DataListSingleton.cs
index 951d63d..ff1f4d0 100644
--- a/ConfectionaryListImplement/DataListSingleton.cs
+++ b/ConfectionaryListImplement/DataListSingleton.cs
@@ -10,6 +10,7 @@ namespace ConfectioneryListImplement
         public List<Pastry> Pastry { get; set; }
         public List<Client> Clients { get; set; }
         public List<Implementer> Implementers { get; set; }
+        public List<MessageInfo> Messages { get; set; }
 
         private DataListSingleton()
         {
@@ -18,6 +19,7 @@ namespace ConfectioneryListImplement
             Pastry = new List<Pastry>();
             Clients = new List<Client>();
             Implementers = new List<Implementer>();
+            Messages = new List<MessageInfo>();
         }
         public static DataListSingleton GetInstance()
         {
diff --git a/ConfectionaryListImplement/MessageInfo.cs b/ConfectionaryListImplement/MessageInfo.cs
new file mode 100644
index 0000000..73645a4
--- /dev/null
+++ b/ConfectionaryListImplement/MessageInfo.cs
@@ -0,0 +1,56 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConfectioneryListImplement.Models
+{
+	// Update в этой сущности не нужен, поскольку в логике мы не изменяем никакие поля после создания письма
+	public class MessageInfo : IMessageInfoModel
+	{
+		public string MessageId { get; private set; } = string.Empty;
+
+		public int? ClientId { get; private set; }
+
+		public string SenderName { get; private set; } = string.Empty;
+
+		public DateTime DateDelivery { get; private set; } = DateTime.Now;
+
+		public string Subject { get; private set; } = string.Empty;
+
+		public string Body { get; private set; } = string.Empty;
+
+		public static MessageInfo? Create(MessageInfoBindingModel model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new()
+			{
+				Body = model.Body,
+				Subject = model.Subject,
+				ClientId = model.ClientId,
+				MessageId = model.MessageId,
+				SenderName = model.SenderName,
+				DateDelivery = model.DateDelivery,
+			};
+		}
+
+		public MessageInfoViewModel GetViewModel => new()
+		{
+			Body = Body,
+			Subject = Subject,
+			ClientId = ClientId,
+			MessageId = MessageId,
+			SenderName = SenderName,
+			DateDelivery = DateDelivery,
+		};
+
+	}
+
+}
diff --git a/ConfectionaryListImplement/MessageInfoStorage.cs b/ConfectionaryListImplement/MessageInfoStorage.cs
new file mode 100644
index 0000000..0dc21ca
--- /dev/null
+++ b/ConfectionaryListImplement/MessageInfoStorage.cs
@@ -0,0 +1,61 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContract;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryListImplement.Models;
+
+namespace ConfectioneryListImplement
+{
+	public class MessageInfoStorage : IMessageInfoStorage
+	{
+		private readonly DataListSingleton _source;
+		public MessageInfoStorage()
+		{
+			_source = DataListSingleton.GetInstance();
+		}
+
+		public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
+		{
+			foreach (var message in _source.Messages)
+			{
+				if (model.MessageId != null && model.MessageId == message.MessageId)
+					return message.GetViewModel;
+			}
+			return null;
+		}
+
+		public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
+		{
+			List<MessageInfoViewModel> result = new();
+			foreach (var item in _source.Messages)
+			{
+				if (item.ClientId.HasValue && item.ClientId == model.ClientId)
+				{
+					result.Add(item.GetViewModel);
+				}
+			}
+			return result;
+		}
+
+		public List<MessageInfoViewModel> GetFullList()
+		{
+			List<MessageInfoViewModel> result = new();
+			foreach (var item in _source.Messages) 
+			{
+				result.Add(item.GetViewModel);
+			}
+			return result;
+		}
+
+		public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
+		{
+			var newMessage = MessageInfo.Create(model);
+			if (newMessage == null)
+			{
+				return null;
+			}
+			_source.Messages.Add(newMessage);
+			return newMessage.GetViewModel;
+		}
+	}
+}