You need to fix permissions on /opt/rt4/var/log/rt.log There may be other problems, but you won't see what they are presumably until they can be logged in there.
Regards, -- Chris Herrmann Far Edge http://www.faredge.com.au
--------- RT 4.4 and RTIR Training Sessions https://bestpractical.com/training * Washington DC - May 23 & 24, 2016
