Custom List property not being updated from MVC View
public List<MarketingModel> Marketing { get; set; }

this.Marketing = new List<MarketingModel>();

@foreach (MarketingModel m in Model.Marketing)
{

 <td class="title">@Html.DisplayFor(model => m.Name)</td>
 <td>@Html.CheckBoxFor(model => m.Mail)</td>
 <td>@Html.CheckBoxFor(model => m.Email)</td>

}

@for (int i = 0; i < Model.Marketing.Count; i++)
{
    <td class="title">@Html.DisplayFor(model => Model.Marketing[i].Name)</td>
    <td>@Html.CheckBoxFor(model => Model.Marketing[i].Mail)</td>
    <td>@Html.CheckBoxFor(model => Model.Marketing[i].Email)</td>
}