if you want to write something of blog-length and want interact through fediverse, writefreely https://writefreely.org/ might work
Moving to: m/AskMbin!
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No
I remember seeing a similar post recently and it didn't seem like there was the ability to restrict posting in a magazine to the creator/mods at the moment: https://kbin.social/m/kbinMeta/t/272000/Magazine-only-I-can-post-to
It's possible another fediverse tool would match more what you are aiming for, kbin might not be too far off but it and lemmy definitely seem more about focusing on communities / discussions than people. Definitely check out mastodon / firefish / akkoma
Edit: I do want to say I think kbin could be good for that in the future; RheingoldRiver and others have put in a bunch of good issues about improving how microblogs are displayed / discovered, but I find it still a bit rough to notice microblog posters at the moment
I use Publii. It is a static site generator, and it's open source. In my opinion, statically generated sites are superior for a lot of purposes. You can upload the generated site to any web hosting service. It doesn't include any trackers. It actually only produces the content you ask it to.
It is also very easy to use. The interface is a lot like what you'd expect if you're familiar with Wordpress or similar. If you have an existing Wordpress blog, you can import it and keep all your content.
My blog is generated by Publii. There is no code running on the server, it is all plain HTML. I run a self hosted tracking service myself, but I had to intentionally add it to the footer of the generated pages.
I quite like Friendica for the purpose, venera.social I believe is one of the founding instances.