Unsubscribe from future emails

<p>We're sorry to see you go. To unsubscribe, enter your email address below and hit 'unsubscribe'.</p>
<div align="center">
<form method="POST" name="unsubForm" onsubmit="return emailValidate()" action="https://crm.zoho.com/crm/Unsubscribe?encoding=UTF-8"><input type="hidden" name="xnQsjsdp" value="87071b39921e5c7946d542bbcf4794003da1ab067bb4f0a57d19b5645a3fba83" /> <input type="hidden" name="actionType" value="dW5zdWJzY3JpYmU=" /> <input type="hidden" name="returnURL" value="https://nixplaysignage.co.uk/" />
<table width="481" style="border: 10px solid #f4f4f4;" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td style="padding: 10px 0px 10px 10px; font-family: Arial, Helvetica, sans-serif; font-size: 13px;"><strong>Your Email Address:</strong></td>
<td style="padding: 10px 0px 10px 10px;"><input type="text" name="email" maxlength="120" style="width: 190px; border: 1px solid #c4d6e2; background-color: #fbfdff; font-family: Arial, Helvetica, sans-serif; font-size: 13px;" /></td>
<td style="padding: 10px 10px 10px 0px;"><input type="submit" style="background-color: #7a7e8a; color: #ffffff; font-weight: bold; font-family: Arial, Helvetica, sans-serif; font-size: 11px; border: 1px solid #616572;" value="Unsubscribe" /></td>
</tr>
</tbody>
</table>
<script>// <![CDATA[
function emailValidate(){var email=document.forms['unsubForm']['email'].value;var atpos=email.indexOf('@');var dotpos=email.lastIndexOf('.');if (atpos<1 || dotpos<atpos+2 || dotpos+2>=email.length){alert('Please enter a valid email address.');return false;}}
// ]]></script></form>
</div>
<br /><br /><br /><br /><br />