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If the user is not in a campaigns, he or she has the unlimited numbers of posts in the forum. Because at that time, he can posts whatever and whenever the user want. But whereby the user is in a campaign, then the user has to follow the manager's instruction. There are so.e specific boards that the manager would not like to participate so he would tell his participants not to post on those boards and those boards would be specify on the main thread of the campaign. And also the number of post per day can also be regulated by the manager. Some managers stated 4 a day, some 5 while some unlimited but not burst posting.
Of course you need to follow the instructions of every manager who recruits you as a participant in the campaign they manage, but they can't prevent you from posting more than the number of posts that are paid for. There's nothing restricting you from posting if you are a high quality poster, so posting bursts will probably be handled on case by case basis by the manager, I mean if you are a high quality poster.
Managers definitely expect you to share quality posts, you also need to pay attention to good visibility, especially between one post and the next, however, you are free to post from any distance as long as it is of high quality.