this post was submitted on 22 May 2025
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Privacy

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Enter the Fediverse (privacyinternational.org)
submitted 3 weeks ago by Forumite@lemm.ee to c/privacy@lemmy.world
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[–] N0t_5ure@lemmy.world 2 points 3 weeks ago (4 children)

Thank you so much for taking the time to explain this. So if I post a meme to c/tenforward, people on mastodon and pixelfed can see it if they subscribe to @tenforward, is that correct? How can I tell if a post I'm seeing on lemmy originated on mastodon, pixelfed, etc.? For example, this post about unclogging a toilet. I can see that it was posted by SomeAmateur@sh.itjust.works. I assumed that the "@sh.itjust.works" part just pertained to the instance of lemmy the post originated from. If this post had come from mastodon, would there be more info somewhere from which I can tell the origin? Thanks.

[–] BakedCatboy@lemmy.ml 3 points 2 weeks ago* (last edited 2 weeks ago) (3 children)

So if I post a meme to c/tenforward, people on mastodon and pixelfed can see it if they subscribe to @tenforward, is that correct?

Yep! I'm not sure how it works for pixelfed but I think I remember something about text posts so I would assume it works the same there.

Afaik the way to tell if a user is on Mastodon vs Lemmy/mbin/etc is if the instance part of their username is a path instead of a bare domain, it's something like user@instance.com/users or something that includes "user" in the path, I can't remember exactly and I can't find an example but if you look at usernames enough you'll find one.

Edit: Actually maybe that changed because I found a comment from Mastodon and it looks normal just with a domain that you can see is a mastodon instance when you visit it, so idk ¯\_(ツ)_/¯

Edit 2: I double checked in the sync app and it looks like users from mastodon show up as someone@instance.com/users/someone so it looks like it's a UI specific thing

[–] N0t_5ure@lemmy.world 2 points 2 weeks ago (2 children)

Thank you so much!

Actually maybe that changed because I found a comment from Mastodon and it looks normal just with a domain that you can see is a mastodon instance when you visit it, so idk ¯_(ツ)_/¯

Could you please link to the example comment referenced? I want to check it out. Thanks.

[–] BakedCatboy@lemmy.ml 3 points 2 weeks ago (1 children)

Sure here's one I found of a Mastodon user making a post in a Lemmy community, they also comment so you can see how that looks as well:

https://feddit.org/post/12492506

Conveniently the post is about how interoperability between Lemmy / mastodon works haha

[–] N0t_5ure@lemmy.world 1 points 2 weeks ago

Thank you!