The rules state, in bold letters:
Do not advertise or name other RO servers, server websites, or any type of inappropriate websites (ie. adult content, hacks, bots, etc).
The reason for doing this is not outlandish or in any way a nazi method of control. Virtually any and all private servers share the same "do not advertise other servers" type of rule. One of the reasons as to why we have placed the restriction on mentioning other servers name is so that we cover loopholes. For example, maybe someone can say "Oh, I used to play on (x)RO and they SUCKED! But i heard lately that they've gotten a little better". Believe it or not, that is a form of "advertising" for that server as you are bringing them exposure and by commenting on them, spreading the knowledge of their existence - which is a form of advertising.
This rule also applies to ingame, although we cannot moderate it as easily as we do the forums because we aren't nazis and monitor your chats.
@Johnsu, you've been here long enough to know exactly what you're doing. I'll let Fidelis decide on how to deal with your testing our tolerance post.