So what actually is the deal with the conditional Do Not Post list? How does it work, and why would one be put on it?

97fifteen said:
So what actually is the deal with the conditional Do Not Post list? How does it work, and why would one be put on it?

Some artists want to restrict where their art is posted for one reason or another; conditional_dnp is e621's method to accommodate them, to organize a list of artists who wish to restrict posting (at least to this site), and to inform users of an artist's wish to restrict reposting of their works.