Update to mailkit for better email standard

src/Server/Services/EmailService/EmailService.cs

@@ -1,4 +1,7 @@
-using System.Net.Mail;
+using System.Threading.Tasks;
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using MimeKit;
 
 namespace BoredCareers.Services {
     public partial class EmailService {
@@ -17,24 +20,28 @@ namespace BoredCareers.Services {
             EmailPassword = _EmailPassword;
         }
 
-        public string Send( string Destination, string Subject, string Body ) {
-            using (SmtpClient client = new SmtpClient( EmailServer, EmailPort )){
-                client.EnableSsl = true;
-                client.Credentials = new System.Net.NetworkCredential( EmailAddress, EmailPassword );
-                try {
-                    MailMessage msg = new MailMessage(){
-                        IsBodyHtml = true,
-                        Subject = Subject,
-                        Body = Body
-                    };
-                    msg.From = new MailAddress( EmailAddress, "no-reply" );
-                    msg.To.Add( new MailAddress( Destination ) );
-                    client.Send( msg );
-                    return "Success";
-                } catch( Exception e ) {
+        public async Task<string> Send(string Destination, string Subject, string Body) {
+            try {
+                MimeMessage message = new MimeMessage();
+                message.From.Add(new MailboxAddress(EmailAddress.Split('@')[0], EmailAddress));
+                message.To.Add(new MailboxAddress(Destination.Split('@')[0], Destination));
+                message.Subject = Subject;
+
+                BodyBuilder messageBody = new BodyBuilder();
+                messageBody.HtmlBody = Body;
+
+                message.Body = messageBody.ToMessageBody();
+
+                using (SmtpClient client = new SmtpClient()) {
+                    await client.ConnectAsync(EmailServer, EmailPort);
+                    client.Authenticate(new SaslMechanismLogin(EmailAddress, EmailPassword));
+                    string serverResponse = await client.SendAsync(message);
+                    await client.DisconnectAsync(true);
+                    return serverResponse;
+                }
+            } catch (Exception e) {
                     return "An Error Has Occurred Sending Email : " + e.ToString();
                 }
-            }
         }
 
     }