Description of problem:
logrotate fails on /var/log/roundcubemail/errors with the following error:

error: skipping "/var/log/roundcubemail/errors" because parent directory has insecure permissions (It's world writable or writable by group which is not "root") Set "su" directive in config file to tell logrotate which user/group should be used for rotation.

Version-Release number of selected component (if applicable):
roundcubemail-0.5.4-1

How reproducible:
Whenever logrotate runs

Steps to Reproduce:
1. Install logrotate and roundcubemail
2. Generate some content in /var/log/roundcubemail/errors
3. Run logrotate
  
Actual results:
logrotate fails with the above error.

Expected results:
Log is rotated as expected.

Additional info:

Adding the following line to /etc/logrotate.d/roundcubemail resolves the problem:

  su root apache