Using Sendgrid.

gistfile1.php

/*

  Uses sendgrid to send out system generated emails.  Check out Sendgrid.com
	
*/
function sendgrid_email($subject, $to_emails, $content, $category){
	
	if (isDebugEnabled(1)) {
    	logMessage("applicationlib.sendgrid_email: sending email with subject $subject with a size " . count($to_emails) );
    }
	
	if (isDebugEnabled(1)) {
	    logMessage("applicationlib.sendgrid_email: sending email to: " );
	}
	// To make backwards compatible with postageapp create
	$toList = array();
	$nameList = array();
	foreach ($to_emails as $k=>$v){
		if (isDebugEnabled(1)) {
		    logMessage("applicationlib.sendgrid_email: sending email to: $k with subject $subject and cateogry $category" );
		}
		$toList[] = $k;
		$nameList[] = $v['name'];
	}


	$sendgrid = new SendGrid($_SESSION["CFG"]["sendgriduser"], $_SESSION["CFG"]["sendgridpass"]);

	$file_contents = file_get_contents($_SESSION["CFG"]["templatedir"]."/email/standard.email.html");
	$template = str_replace("%clubname%", $content->clubname, $file_contents);
	$template = str_replace("%sitecode%", get_sitecode(), $template);
	$template = str_replace("%content%", $content->line1, $template);
	$template = str_replace("%dns%", $_SESSION["CFG"]["dns"], $template);
	$template = str_replace("%app_root%", $_SESSION["CFG"]["wwwroot"], $template);

	$mail = new SendGrid\Mail();
	$mail->
	  setFrom('player.mailer@sportsynergy.net')->
	  setFromName('Sportsynergy')->
	  setSubject($subject)->
	  setText($content->line1)->
	  addCategory($category)->
	  addCategory($content->clubname)->
	  setTos($toList)->
	setHtml($template)->
	addSubstitution("%firstname%", $nameList);

	$sendgrid->smtp->send($mail);
	
	
}