Sending email via PHP mailer lib

gistfile1.php

/**
 * 
 * @param type $data
 * @return boolean
 */
function send_email($data){
	//include files
	include_once('email/class.phpmailer.php');
	
	$mail = new PHPMailer();
	$mail->IsSMTP();
	$mail->SMTPDebug  = 1; // make this 1 to see debug messages                     
	$mail->SMTPAuth   = true;                  
	$mail->Host       = SMTP_HOST; 
	$mail->Port       = 25;                    
	$mail->Username   = SMTP_USERNAME;
	$mail->Password   = SMTP_PASSWORD;        
	$mail->SetFrom(SMTP_USERNAME,SMTP_USERNAME);
	$mail->AddReplyTo(SMTP_USERNAME ,SMTP_USERNAME);
	$mail->Subject    = $data['subject'];
	$mail->MsgHTML($data['body']);
	
	$addresses = explode(",", $data['to_address']);
	foreach($addresses as $address){
		$mail->AddAddress(trim($address));
	}
	
	if($data['attachments']){
		$attachments = explode(",", $data['attachments']);
		foreach($attachments as $attachment){
			$mail->AddAttachment(trim(DATA_FOLDER . $attachment));
		}
	}
	
	if(!$mail->Send()){
		return false;
	}
	else{
		return true;
	}
}