MMO developers have independent support staff, servers, and even payment systems. As such, the best way to get help with anything from how a game works, purchase problems, server outages, reporting bugs, etc. Your best bet is to contact the trained support staff for the specific MMO you play.
How do I contact the MMO's support team?
Many MMOs have a link called Support under the game, or within the games themselves. Here are some examples of what to look for,
Location on the Game Page
Close Up of the game Page
In Game Support Contact Links
Some games also have a button within the game's user interface that will let you submit a help request from the game.
Is there an easier way to locate this information?
The full list of all current of MMOs can be found here - Click Here!