I have applied two small changes to the Dutch messages.inc file. The full version is attached; the diff is below.
Regards, Sjon
RCS file: /cvsroot/roundcubemail/roundcubemail/program/localization/nl/messages.inc,v retrieving revision 1.2 diff -r1.2 messages.inc 45c45
$messages['blockedimages'] = 'Om je privacy te beschermen zijn externe afbeeldingen geblokkeerd in dit bericht.';
47c47
$messages['encryptedmessage'] = 'Dit bericht is versleuteld en kan niet worden weergegeven. Sorry!';
56c56 < ?> \ No newline at end of file
?>