"No. But it means she's more likely to get other people wanting to hex her and help you, given she's a bloody psychotic," Sirius answered with a grim smile.
"They hated you because you hung about with the Slytherin nutters, and because YOU hated ME," Sirius pointed out. "They had reasons." Not that Sirius' friends had been especially Slytherin-friendly, but they wouldn't have actively hated Regulus if they hadn't thought Regulus felt the same way about Sirius.
"All right. Then your owls can go through me, and not through Dumbledore. Yeah?" Sirius suggested.