net6.0 Ready to test

APC Viewer/Library/Eaf/Core/Smtp/EmailMessage.cs

@@ -18,4 +18,4 @@ public class EmailMessage
     public EmailMessage SetPriority(MailPriority priority) => throw new NotImplementedException();
     public EmailMessage SetSubject(string subject) => throw new NotImplementedException();
 
-}
+}

APC Viewer/Library/Eaf/Core/Smtp/ISmtp.cs

@@ -3,4 +3,4 @@
 public interface ISmtp
 {
     void Send(EmailMessage message);
-}
+}

APC Viewer/Library/Eaf/Core/Smtp/MailPriority.cs

@@ -5,4 +5,4 @@ public enum MailPriority
     Low = 0,
     Normal = 1,
     High = 2
-}
+}