YIHE_API/MadRunFabric.../Mail/MailOutput.cs

using MimeKit;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace MadRunFabric.Common
{
    public class MailOutput
    {
        public string Id { get; set; }
        public string Subject { get; set; }
        public DateTime Date { get; set; }
        public string Html { get; set; }

    }
}