Very late to the party but, let me put out a few pointers.
Listen to the admins. The server's not a democracy and it's not rocket science to do so. If an admin, or the server rules, says that something shouldn't be done, then don't do it! I could show you every rulebook that we have for onstation rules, Discord server rules, and Global Community Rules, but I'm pretty sure that you've seen them multiple times. If not, then I'd consider reading them. If they tell you to not post NSFW material outside of NSFW, then don't do it. But, then again, it was Medical diagrams of genitals, so most people tend to have their own interpretations on whether or not it's nsfw due to it's purpose being for educational reasons. But, since the admins decreed that belongs in NSFW, I'd refrain from doing that in the future should the appeal go in your favor.
As for the part regarding the medical diagrams case, you were using it to prove to a CV fan that testicles are not cavities like the uterus and stomach are. Regardless on as to whether or not this is true, this sounds more like a reason to ruin or bash one's kinks rather than kink-shaming , using scientific evidence and knowledge... against a player that doesn't play as a human in a setting where the entire server, and vore itself, is nothing but fantasy (not the D&D style of fantasy, but you should've gotten my gist by now.), which nullifies your argument about it entirely. You could've said that you're not a fan of CV for a reason without making it look abrasive and posting medical diagrams outside of NSFW, and this is from someone who's not into CV. Either way, it's kinda rude to do that to someone when it's their fetish.
But, I have noticed that your appeal is more serious than the last one, which is good. And while you do show some sort of remorse for what you did, you seem to imply that you 'can't change because of the way that your internet life has been'. But, if you believe that being more of a lurker and less of a shit-poster works for you, then it's fine by me. But, do note that if you do get back on you should never try to interfere with one's fun if that fun is not at the expense of others.
But, like the guy above me, I'm somewhat willing to give you another chance. Though, I'd recommend the admins putting some restrictions on you such as a ban on a specific department(s) or certain communication servers such as Discord until the admins feel like you're ready to appeal to have those restrictions uplifted. Otherwise, I'm on the fence on this one.