refactor

Author: Lyra1337

Services/MailRepository.cs

@@ -144,7 +144,7 @@ public string NormalizeEmailAddress(string address)
 
         public async Task SetReadMark(int mailId, bool isRead)
         {
-            await using var context = databaseContextFactory.CreateDbContext();
+            using var context = databaseContextFactory.CreateDbContext();
             var entry = context.Entry(new MailModel()
             {
                 Id = mailId,

Services/MailServerService.cs

@@ -1,7 +1,6 @@
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using SmtpServer;
-using SmtpServer.ComponentModel;
 using System;
 using System.Linq;
 using System.Threading;
@@ -34,7 +33,7 @@ public MailServerService(MailServerConfiguration mailServerConfiguration, TempMe
 
         public Task StartAsync(CancellationToken cancellationToken)
         {
-            var mailServiceProvider = new ServiceProvider();
+            var mailServiceProvider = new SmtpServer.ComponentModel.ServiceProvider();
             mailServiceProvider.Add(this.messageStore);
             mailServiceProvider.Add(this.mailboxFilter);
             this.smtpServer = new SmtpServer.SmtpServer(this.options, mailServiceProvider);

Web/Services/MailboxSessionService.cs

@@ -44,7 +44,7 @@ public void TestEmail()
                 var from = new MailAddress("steve@contoso.com", "Steve Ballmer");
                 var to = new MailAddress(this.userState.CurrentMailbox, "Steve Jobs");
                 var msg = new MailMessage(from, to);
-                msg.Subject = "Test Mail?";
+                msg.Subject = "Test Mail";
                 msg.Body = $"Test Mail issued at {DateTime.UtcNow} (UTC)\r\n{Guid.NewGuid()}";
 
                 client.Send(msg);