Can you use the same domain/username for different fediverse services? (lemmy.world)

submitted 11 months ago by muntedcrocodile@lemmy.world to c/fediverse@lemmy.world

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Is there a way to set it up so user@example.com can be a lemmy account and also a mastadon account? I seen people using subdomains like user@lemmy.example.com and user@mastadon.example.com is this nessasary? Could u also set up a matrix account with the same user@example.com? If not what woukd be requured to change to make this possible?

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[-] muntedcrocodile@lemmy.world 1 points 11 months ago

Thank you for the very detailed explanation. I figured for services using a different protocal would be easyer as they can be handled almost independantly.

Would i need to modify the code of every services to man in the middle myself surly since i control the private key i can just do it after it leaves the service then if i pipe that back to my "universal" incoming it would distribute it to the relevent services?

I dont understand why the last approach breaks mastadon-lemmy interaction? It seems like the best solution if it wasnt for that.