In ropsten, doesnt allow to send the sendRawTX

[Carl]

Returns

{"jsonrpc":"2.0","id":2,"error":{"code":-32000,"message":"invalid sender"}}

curl --data '{"jsonrpc":"2.0","method":"eth_sendRawTransaction","params":["0xe4808504e3b2920082520894cee1854e7c2df037c9a499915161f7c4fd37f89d8080808080"],"id":2}' -H "Content-Type: application/json" -X POST http://IPHERE

[miguel]

Can you share the code you're using to sign the transaction?