Right. Each relay can determine its own policies for who can post, what can be posted, how long posts are preserved, etc.
Running your own relay that only accepts your posts can serve as a backup that you could use to re-post to future relays.
https://github.com/metasikander/s0str is a relay designed for this use.
xn /
npub1h3…56uvp
2022-12-23 12:45:00
in reply to nevent1q…cgag
Author Public Key
npub1h3hs3vmrp5d0hm6zmdqvvegwh3nxmcqnztwlulryg0wz8l5eqhzqn56uvpSeen on
wss://relay.nostr.bandPublished at
2022-12-23 12:45:00Event JSON
{
"id": "b2635a4d55ffc7c0212c8c99f4b15e4ae56047a893eca25d5a699e3b5f84efb6",
"pubkey": "bc6f08b3630d1afbef42db40c6650ebc666de01312ddfe7c6443dc23fe9905c4",
"created_at": 1671799500,
"kind": 1,
"tags": [
[
"p",
"94cf8831bc4cc2e93f7f0c0801f66028efdd7865216d0cf0575081f1656430e0"
],
[
"p",
"cc971e361604383a4fddec8073b048072f4cabecc6e9d6d3b5ec1670f9f31b4e",
"wss://nostr.onsats.org"
],
[
"p",
"3c559080f647074a638e9cc6d4c487a06bfab810402aab9a6794fb49a053153e",
"wss://nostr.onsats.org"
],
[
"e",
"79b99c85d0d813a5e4311c8d4d9bc7e525400aa17589b107aa6415382b9daaca",
"wss://nostr.zebedee.cloud",
"root"
],
[
"e",
"a2e1cce5c851a89028f1830ef281a9e8f6f12d0ef37d587efd952dd1af920f6f",
"wss://nostr.zebedee.cloud",
"reply"
],
[
"client",
"astral"
]
],
"content": "Right. Each relay can determine its own policies for who can post, what can be posted, how long posts are preserved, etc.\n\n\nRunning your own relay that only accepts your posts can serve as a backup that you could use to re-post to future relays.\n\n\nhttps://github.com/metasikander/s0str is a relay designed for this use.",
"sig": "52d1fd760499c95c3578cf3befc9b6e9cc2bf418f3f829fa4b3d1845741935f2b7e507b2d5be2cf8dccd2fbf56aacc92af358353f09176cf63ffab874a46ac81"
}