FWIW, Ole Miss's last road win against a ranked opponent was Mullen's last game in Starkville. Their opportunities this season are at Georgia and, possibly, at Oklahoma.
They've won a lot of games under Kiffin, mostly by not losing games they shouldn't*. In five seasons, they've only won three games against teams that finished with a winning record in the SEC.
*-except for Kentucky 2024 (probably cost them a national title)