title: Hyperlink in yahoo mail is not clickable
body: <p>i am using following php code to send email to different mailing servers in wordpress.</p>
  
  <pre><code>home_url value =  http://ipaddress/website/
  
  $url= home_url()."/?page_id=309&amp;pin=".$pin;
   $to=$email;
   $subject="Registration Successful ! ";
  
   $password=rand(10000, 99999);
  
   $mess .="&lt;p&gt;Dear ".$name .",&lt;/p&gt;&lt;p&gt;&lt;/p&gt;";
   $mess .="&lt;p&gt;Please find link below to active your account. &lt;/p&gt;&lt;p&gt;&lt;/p&gt;"; 
   $mess .="&lt;p&gt;&lt;/p&gt;".$url."&lt;p&gt;&lt;/p&gt;";
   $mess .="&lt;p&gt;&lt;a href=' ".$url." '&gt;".$url."&lt;/a&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;";
   $mess .="&lt;p&gt; Thanks, &lt;/p&gt;&lt;p&gt;&lt;/p&gt;";
   $mess .=" &lt;p&gt;Test Support Team &lt;/p&gt;&lt;p&gt;&lt;/p&gt;";
   //$headers = "Content-type: text/plain; charset = ".$chrst. "\r\n";
   $headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
   $from_name = get_bloginfo('name');
  
   $from_email = get_option('opt_glocal_site_email');
  
   if ($from_email) {
  
    $headers .= 'From: '.$from_name.' &lt;'.$from_email.'&gt;'. "\r\n";
  
   } else {
  
    $headers .= 'From: '.$from_name. "\r\n";
  
   }
  
   $send = mail ($to, $subject, $mess, $headers);
  </code></pre>
  
  <p>it sends account activation hyperlink to user but the issue is that hyperlink is not clickable in yahoo mail.</p>
  
  <p>same code sends email to gmail,hotmail perfectly and link is clickable any one guide me what could be the issue.</p>
  
  <p><strong>Inspect Element in yahoo for that link:</strong></p>
  
  <pre><code>&lt;a rel="nofollow" target="_blank" onclick="return theMainWindow.showLinkWarning(this)" class="removed-link" id="yui_3_16_0_1_1411592352265_2952"&gt;http://ipaddress/website/?page_id=309&lt;/a&gt;
  </code></pre>
  
  <p><strong>**Note:</strong> i am already using "http://" with href attribute.**</p>
  
  <p>any help would be appreciated.</p>