$label = 'hardbounce';
$hostname = "{imap.gmail.com:993/imap/ssl}$label";
$username = 'support@quizlet.com';
$password = 'XXXX';

$imap_stream = imap_open($hostname,$username,$password) or die('Cannot connect to Gmail: ' . imap_last_error());
$emails = imap_search($imap_stream, 'ALL');
print "Total $label messages: " . count($emails) . "\n";

$fh = fopen('hardbounces.log', 'a');
foreach ($emails as $email):
    $body = imap_fetchbody($imap_stream, $email, '1');
    fwrite($fh, "$body\n==hardbounce==\n");
    if ($email % 100 == 0):
        print "Grabbed $email messages\n";
    endif;
endforeach;

fclose($fh);