Switched from internal smtp client to MailKit. Added ssl config and improved mail service

Moonlight/App/Services/MailService.cs

@@ -1,9 +1,11 @@
 using System.Net;
 using System.Net.Mail;
 using Logging.Net;
+using MimeKit;
 using Moonlight.App.Database.Entities;
 using Moonlight.App.Exceptions;
 using Moonlight.App.Helpers;
+using SmtpClient = MailKit.Net.Smtp.SmtpClient;
 
 namespace Moonlight.App.Services;
 
@@ -13,6 +15,7 @@ public class MailService
     private readonly string Password;
     private readonly string Email;
     private readonly int Port;
+    private readonly bool Ssl;
 
     public MailService(ConfigService configService)
     {
@@ -24,6 +27,7 @@ public class MailService
         Password = mailConfig.GetValue<string>("Password");
         Email = mailConfig.GetValue<string>("Email");
         Port = mailConfig.GetValue<int>("Port");
+        Ssl = mailConfig.GetValue<bool>("Ssl");
     }
     
     public async Task SendMail(
@@ -54,20 +58,24 @@ public class MailService
             {
                 using var client = new SmtpClient();
 
-                client.Host = Server;
-                client.Port = Port;
-                client.EnableSsl = true;
-                client.Credentials = new NetworkCredential(Email, Password);
-
-                await client.SendMailAsync(new MailMessage()
+                var mailMessage = new MimeMessage();
+                mailMessage.From.Add(new MailboxAddress(Email, Email));
+                mailMessage.To.Add(new MailboxAddress(user.Email, user.Email));
+                mailMessage.Subject = $"Hey {user.FirstName}, there are news from moonlight";
+                
+                var body = new BodyBuilder
                 {
-                    From = new MailAddress(Email),
-                    Sender = new MailAddress(Email),
-                    Body = parsed,
-                    IsBodyHtml = true,
-                    Subject = $"Hey {user.FirstName}, there are news from moonlight",
-                    To = { new MailAddress(user.Email) }
-                });
+                    HtmlBody = parsed
+                };
+                mailMessage.Body = body.ToMessageBody();
+
+                using (var smtpClient = new SmtpClient())
+                {
+                    await smtpClient.ConnectAsync(Server, Port, Ssl);
+                    await smtpClient.AuthenticateAsync(Email, Password);
+                    await smtpClient.SendAsync(mailMessage);
+                    await smtpClient.DisconnectAsync(true);
+                }
             }
             catch (Exception e)
             {

Moonlight/Moonlight.csproj

@@ -24,6 +24,7 @@
     <PackageReference Include="GravatarSharp.Core" Version="1.0.1.2" />
     <PackageReference Include="JWT" Version="10.0.2" />
     <PackageReference Include="Logging.Net" Version="1.1.0" />
+    <PackageReference Include="MailKit" Version="4.0.0" />
     <PackageReference Include="Mappy.Net" Version="1.0.2" />
     <PackageReference Include="Markdig" Version="0.31.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">

Moonlight/defaultstorage/configs/config.json

@@ -57,7 +57,8 @@
       "Email": "no-reply@mycoolproject.de",
       "Server": "mycoolproject.de",
       "Password": "s3cr3t",
-      "Port": 25
+      "Port": 465,
+      "Ssl": true
     },
     "Cleanup": {
       "Cpu": 90,
@@ -73,6 +74,10 @@
         "Enable": false,
         "Url": ""
       }
+    },
+    "DiscordNotifications": {
+      "Enable": false,
+      "WebHook": ""
     }
   }
 }