Your followers will always see your content. But for those that don't follow you, the duplicated messages put you in the spam list.
Discussion
nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z What constitutes a duplicated message ? For example, is it when I post a meme during Thursday’s #zapathon and then the same one during Friday’s ?