Read other news on postfix 3.0.3 with mediated symlinks

The postfix 3.0.0 package may have created a file conflict for the manpage mailq.1. The sendmail package from your OS-distro wanted to live in the same place.

The renaming of postfix's mailq.1 manpage to mailq.postfix.1 in the packaging stage didn't work any more, this is fixed now.