Christians are saved by accepting Christ. After the rapture are the Jews saved by sacrificing in the rebuilt Temple ?? Wouldn’t that conflict with what Jesus said about being the only way?
There’s only ever been one way to salvation and that’s through faith in the Lord’s death on our behalf (John 14:6). In the Old Testament, believers had to give evidence of their faith in a coming redeemer by keeping the commandments and offering sacrifices in the Temple. After the Rapture of the Church it will be the same way again except their faith is in the redeemer who has already come (Rev. 14:12).