Problem with translate e-mail message

Hi guyz and girls 

have problem with transtate e-mail template...
I already edit code : (Just traslate to Poland)

// UPLOAD EMAIL TEMPLATES
$locales = OSCLocale::newInstance()->listAllEnabled();
foreach($locales as $l) {
$email_text = '
Witaj {TO_NAME},
';
$email_text .= '
{FROM_NAME} Wyslal Ci wiadomosc zwiazana z {ITEM_LINK} przeczytaj ponizej:
';
$email_text .= '
{THREAD_TITLE}
';
$email_text .= '
{MESSAGE}
';
$email_text .= '
';
$email_text .= '
';
$email_text .= '
Możesz szybko odpowiedziec Klikajac tutaj.';
$email_text .= '
Pamietaj! Swoje wiadomosci mozesz sprawdzac na swoim koncie na targ.lukow.pl.
';
$email_text .= '
';
$email_text .= '
Pozdrawiamy!
{WEB_TITLE}
';
$im_notify[$l['pk_c_code']]['s_title'] = '[{WEB_TITLE}] Nowa wiadomosc: {ITEM_TITLE}';
$im_notify[$l['pk_c_code']]['s_text'] = $email_text;


But it still message in "english".

What i can do?

Thanks! 

Someone can help me?
Support?

@Rafal
Check osclass documentation how to translate osclass, especially email templates (oc-admin > general > email).