phone conversation

Me: “Right, so you’ll need to email Mandy. Do you have a pen handy?”
Lady (with kids): “Yeah, go ahead.”
Me: “It’s Mandy—m-a-n-d-y, Hong h-o-n-g, @cox.net”
Her: “At what?”
Me: “cox dot net”
Her: “………um………oh c-o-x?”