Orchard/src/Orchard.Web/Modules/Orchard.Email/Models/EmailMessage.cs

using System.Collections.Generic;

namespace Orchard.Email.Models {
    public class EmailMessage {
        public string Subject { get; set; }
        public string Body { get; set; }
        public string Recipients { get; set; }
        public string ReplyTo { get; set; }
        public string From { get; set; }
        public string Bcc { get; set; }
        public string Cc { get; set; }
        /// <summary>
        /// IEnumerable of strings representing attachments paths
        /// </summary>
        public IEnumerable<string> Attachments { get; set; }
    }
}