Not a good idea, I said my 2 cents in the past about this in this topic viewtopic.php?f=556&t=2503491
So just going to copy and paste that reply.
"Not to sound negative about this but is it nice to read private communications between others, I think not. Never mind that it could also be a privacy violation and potentially be legally hot water. I have never done it on my forum in 14 plus years and would not recommend anyone else to do it.
All the best.