diff --git a/program/localization/en_GB/messages.inc b/program/localization/en_GB/messages.inc
index 1f66288cf..518154885 100644
--- a/program/localization/en_GB/messages.inc
+++ b/program/localization/en_GB/messages.inc
@@ -56,6 +56,7 @@ $messages['formincomplete'] = 'The form was not completely filled out';
 $messages['noemailwarning'] = 'Please enter a valid email address';
 $messages['nonamewarning'] = 'Please enter a name';
 $messages['nopagesizewarning'] = 'Please enter a page size';
+$messages['nosenderwarning'] = 'Please enter sender e-mail address';
 $messages['norecipientwarning'] = 'Please enter at least one recipient';
 $messages['nosubjectwarning'] = 'The "Subject" field is empty. Would you like to enter one now?';
 $messages['nobodywarning'] = 'Send this message without any text?';
@@ -90,5 +91,6 @@ $messages['importwait'] = 'Importing, please wait...';
 $messages['importerror'] = 'Import failed! The uploaded file is not a valid vCard file.';
 $messages['importconfirm'] = 'Successfully imported $inserted contacts, $skipped existing entries skipped:$names';
 $messages['opnotpermitted'] = 'Operation not permitted!';
+$messages['nofromaddress'] = 'Missing e-mail address in selected identity';
 
 ?>
diff --git a/program/localization/pl_PL/messages.inc b/program/localization/pl_PL/messages.inc
index 8f7967b1e..be07e2256 100644
--- a/program/localization/pl_PL/messages.inc
+++ b/program/localization/pl_PL/messages.inc
@@ -61,6 +61,7 @@ $messages['formincomplete'] = 'Uzupełnij formularz!';
 $messages['noemailwarning'] = 'Podaj poprawny adres e-mail!';
 $messages['nonamewarning'] = 'Podaj nazwę!';
 $messages['nopagesizewarning'] = 'Podaj poprawną wartość!';
+$messages['nosenderwarning'] = 'Podaj adres nadawcy!'; 
 $messages['norecipientwarning'] = 'Podaj co najmniej jednego odbiorcę!';
 $messages['nosubjectwarning'] = 'Nie podano tematu wiadomości. Czy chcesz go teraz uzupełnić?';
 $messages['nobodywarning'] = 'Ta wiadomość jest pusta, czy mimo to chcesz ją wysłać?';
@@ -95,5 +96,6 @@ $messages['importwait'] = 'Importowanie, proszę czekać...';
 $messages['importerror'] = 'Błąd! Pobrany plik nie jest poprawnym plikiem vCard.'; 
 $messages['importconfirm'] = '<b>Pomyślnie dodano $inserted kontaktów, pominięto $skipped istniejących wpisów</b>:<p><em>$names</em></p>'; 
 $messages['opnotpermitted'] = 'Niedozwolona operacja!';
+$messages['nofromaddress'] = 'Brak adresu e-mail w wybranej tożsamości';
 
-?>
\ No newline at end of file
+?>