การส่งเมล์ติดปัญหาเรื่องการส่งติดสัญลักษณ์บ้างอย่างครับ

<?php
$ci = &get_instance();
$ci->lang->load('contact',get_web_language());
?>

<div class="row body-content">
  <div class="col-sm-6">
	    <h3>Contact Us</h3>
	    <div style="margin-bottom: 20px;">
	    	<iframe src="https://www.google.com/maps/embed?pb=!1m14!1m8!1m3!1d484.4863412636783!2d100.5190326!3d13.7250648!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x30e298d00e01281d%3A0xef78251973f5cf6f!2z4Lit4Liy4LiE4Liy4Lij4Lib4Li04Lii4Liw4Lih4Li04LiV4Lij!5e0!3m2!1sth!2sth!4v1537748171796" width="90%" height="350" frameborder="0" style="border:0" allowfullscreen></iframe>
	    </div>
	    <h3>&nbsp;</h3>
   	</div>
     <div class="col-sm-5" style=" border-left-style: solid; border-left-width: 1px; border-left-color: #e9e9e9;">
    	<form>
    		<h6>Send us a message</h6>
    		<div class="form-group">
    			<label for="exampleInputEmail1">Name</label>
    			<input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" style="background-color: #e9e9e9;">
  			</div>
  			<div class="form-group">
    			<label for="exampleInputEmail1">Email</label>
    			<input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" style="background-color: #e9e9e9;">
  			</div>
  			<div class="form-group">
    			<label for="exampleInputEmail1">Subject</label>
    			<input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" style="background-color: #e9e9e9;">
  			</div>
  			<div class="form-group">
    			<label for="exampleInputEmail1">You Message</label>
    			<textarea class="form-control" id="exampleFormControlTextarea1" rows="3" style="background-color: #e9e9e9;"></textarea>
  			</div>
  			 <button type="submit" class="btn btn-primary ">SEND</button>
    	</form>
    </div>
</div>