line.gsub!(/^CGIMAP_PIDFILE=.*;/, "CGIMAP_PIDFILE=#{pid_directory}/cgimap.pid;")
line.gsub!(/^CGIMAP_LOGFILE=.*;/, "CGIMAP_LOGFILE=#{log_directory}/cgimap.log;")
line.gsub!(/^CGIMAP_MEMCACHE=.*;/, "CGIMAP_MEMCACHE=rails1,rails2,rails3;")
+ line.gsub!(/^CGIMAP_RATELIMIT=.*;/, "CGIMAP_RATELIMIT=204800;")
line.gsub!(%r{/home/rails/bin/map}, "#{cgimap_directory}/.libs/lt-map")