python-twisted not available in backports resulting in problems for soledad and leap-mx installation
on a fresh, upgraded wheezy server, this happens with soledad and leap-mx
root@rewdevplain1:~# apt-get install soledad-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: soledad-server : Depends: python-twisted (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-bin (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-conch (>= 1:13.0.0-1~bpo70+1) but 1:12.0.0-1 is to be installed Depends: python-twisted-core (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-lore (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-mail (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-names (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-news (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-runner (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-words (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed Depends: python-twisted-web (>= 13.0.0-1~bpo70+1) but 12.0.0-1 is to be installed E: Unable to correct problems, you have held broken packages.
(from redmine: created on 2014-03-07, closed on 2014-03-19)