Jackw2As

Who said anything about honor. Break the zoning rules or building code and get charged with a fine enforced by cold ruthless authoritarianism. Sure you can move to a different metropolis but moving all your stuff is going to be more expensive than following the local rules. Of course, if you are a mage corporation already located in every major player created city then you are just losing out on business. Long term greed and profits will keep peace and least for the smart players.

The concept of transporting goods is a big part of DU's gameplay.  That would make it too easy to simply mail resources between planets.
 
There are some things that we might be able to send with in-game mail though.  Like Blueprints, scan data, ect.