<?php
define('MAIL_HOST', 'mail.example.com');
define('MAIL_PORT', 25);
define('MAIL_USERNAME', 'mail@example.com');
define('MAIL_PASSWORD', 'PasswordExample');
define('MAIL_FROM_NAME', 'Example From Name');

function phpmailer_mail_send($to, $mail_subject, $mail_body, $who = null, $cc = array(), $bcc = array()){
    $phpmailer = new PHPMailer();
    $phpmailer->SMTPAuth = true;
    $phpmailer->Username = MAIL_USERNAME;
    $phpmailer->Password = MAIL_PASSWORD;
    $phpmailer->isSMTP();
    $phpmailer->Host = MAIL_HOST;
    $phpmailer->CharSet = 'UTF-8';

    //begin: turn off SSL
    $phpmailer->SMTPSecure = false;
    $phpmailer->SMTPAutoTLS = false;
    //end: turn off SSL

    $phpmailer->Port = MAIL_PORT;
    $phpmailer->Sender = MAIL_USERNAME;
    if( isset($who) && filter_var($who, FILTER_VALIDATE_EMAIL) !== FALSE ){
        $phpmailer->AddReplyTo( $who );
    }
    $phpmailer->setFrom( MAIL_USERNAME, MAIL_FROM_NAME );

    $phpmailer->Subject = $mail_subject;
    $phpmailer->Body = $mail_body;
    $phpmailer->IsHTML(true);
    foreach($to as $email_to):
        $phpmailer->addAddress($email_to);
    endforeach;

    foreach($cc as $email_cc):
        $phpmailer->addCC($email_cc);
    endforeach;

    foreach($bcc as $email_bcc):
        $phpmailer->addBCC($email_bcc);
    endforeach;
    return $phpmailer->send();
}//mail_send
?>