Someone on Mastodon @'d my Lemmy account. how is this possible? I though Lemmy and Mastodon are seperate from each other?
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this post was submitted on 17 Apr 2025
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Both, and dozens of other services, work using ActivityPub. Lemmy and Mastodon servers are just different implementations of the activity pub specification, with eg. Lemmy providing explicit downvoting and thread support, while Mastodon just does not show dislikes and treats threads as replies to standalone replies.
does this mean i could login with my Lemmy account in Mastodon? because when i tried to it failed
No, your login only works on one instance, like E-Mail. But you can interact with mastodon. For example, when they use #firefox, we see that as a post in the community firefox. And I believe it's the other way around too, though I'm not sure.
A hashtag on Mastodon won't make a post visible to Lemmy users, but tagging a community (with the double-@ format) in a toplevel post will post to that community.
Users are tagged @username@lemmy.test, communities are !community@lemmy.test
@ChaoticNeutralCzech @asklemmy @Zak@lemmy.world
That's true from Lemmy, but not from Mastodon. Mastodon won't detect !asklemmy@lemmy.world as a mention.
I'm curious as to how Lemmy handles collisions from external sources. @cat exists as both a user and a community. Since this is a comment, Lemmy shouldn't post it to the community, but will Lemmy users see a link to the user or the community?
The MD of your comment as seen on Lemmy
The @cat mention became a hyperlink to the user page.
thats rlly cool thanks for the info :3
And this is a reply from Pixelfed ✌🏻