The beginning and end of this is that stuff like the Port message in the OP are not allowed. Things which directly violate our EULA should be Ticketed so they can be addressed because we don't want it in our game.
Port Messages that break our rules can be Ticketed here: https://na.wargaming.net/support/en/products/wows/help/31336/31337/31345/31347/
In-Game Message that break our rules can be Ticketed here: https://na.wargaming.net/support/en/products/wows/help/31336/31337/31345/31346/