var template = @"
        Hello @user.name!

        @if (@user.showId == true) { Your ID is: @user.id. }

        Mail addresses: 
        @foreach(var email in user.Emails) 
        {
            @email.Value
        }
        ";

var model = new {
    user = new {
        name = "Joseph Climber",
        id = 12345,
        showId = true,
        Emails = new List<object>()
        {
            new { Value = "[email protected]" },
            new { Value = "[email protected]" },
        }
    }
};

ITemplateEngine engine = new RazorAlikeEngine();

string result = engine.Run(template, model);

Hello Joseph Climber!

Your ID is: 12345.

Mail addresses: 

    foo@bar.com
    bar@foo.com