An email detailing the Optus outage was sent to the wrong government address, a spicy Senate estimates hearing has revealed. But while the inbox wasn't being monitored, it was still active, with Senators asking how it could have been missed.

It's a lot like an episode of Utopia — and comes as the Opposition ramps up pressure on Communications Minister Anika Wells.

And the Coalition is also questioning the Albanese Government over the return of of wives and children of Islamic State fighters on Friday, with the Government remaining tight-lipped on details. So, are the Opposition finding their feet in Senate estimates?

Brett Worthington and David Speers break it all down on Politics Now.

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