swift mailer

$result3 = mysql_query("SELECT email from s_email_camp where kunnr='".$_SESSION["kunnr"]."' and campid='".$_POST["campid"]."' and active='true' ");
$model["email"]=array();
while($row = mysql_fetch_array($result3)){
    array_push($model["email"],$row);
}

$emails= json_encode($model["email"]);
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output of $emails:
[{"0":"[email protected]","email":"[email protected]"},{"0":"[email protected]","email":"[email protected]"}]