It appears that it was not installed (added php5-intl on Debian though i did not check with phpinfo if it was there before, now that I think about...
Strange - i was just now (again) abled to reproduce this issue on 3.0.5.4p5 using the exact same method tbasler described
According to http://bugtracker.ispconfig.org/index.php?do=details&task_id=3659 this has been fixed. Is there any date / version for this fix in a...
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