use their husband's email addresses, because they don't know how to set up one of their own. I just looked at my email inbox and it is full of what appear to be emails from strange men - but they are actually from said men's wives. I mean, if you are going to be emailing regularly, why not get an address of your own? DD3 herself up with a googlemail account when she was seven - it's not that hard.
OK, I know IABU and it's none of my business, I just find it strange. Can anyone enlighten me please?