public class Email
{
    public int Id { get; set; }
    public bool Sent { get; set; }
    public string UserId { get; set; }

    [Required, MaxLength(100)] public string From { get; set; }
    [Required, MaxLength(100)] public string To { get; set; }
    [MaxLength(100)] public string Cc { get; set; }
    [MaxLength(100)] public string Bcc { get; set; }
    [Required, MaxLength(100)] public string Subject { get; set; }
    public string Substitutions { get; set; }

    [MaxLength(128)] public string TemplateId { get; set; }
    public string Body { get; set; }

    public DateTime DateCreated { get; set; }
    public DateTime DateUpdated { get; set; }
}

public class User : IdentityUser
{
    [Required] [MaxLength(100)] public string FirstName { get; set; }
    [Required] [MaxLength(100)] public string LastName { get; set; }
    [Required] [MaxLength(100)] public string Department { get; set; }
    [MaxLength(4)] public string Master { get; set; }
    public bool Disabled { get; set; }
    [MaxLength(255)] public string ProfileImageUri { get; set; }

    public DateTime DateCreated { get; set; }
    public DateTime? DateModified { get; set; }
    public DateTime LastLoginDate { get; set; }
}