Llecs,
What I would really suggest is that you use "readnotify.com".
After reviewing my readnotify.com account here is what i can up with.
Person that actually forwarded my email to the correct account:
russ.bingman@ncogroup.com
Others that Actually read the email:
lisa.puckett@ncogroup.com
audrey.atkins@ncogroup.com
Carol.fogelgren@ncogroup.com
brenda.finlayson@ncogroup.com
Un-opened Mail:
john.adonnino@ncogroup.com
I had a list of about 25 people but all the ones that I didn't list actually bounced. This should be a good start...
12/29/13 - EQ 580 EX 540 TU 578 (Here we go again!)
04/10/08 - EQ 618 EX 612 TU 633
10/23/07 - EQ 559 EX 611 TU 544
08/24/07 - EQ 490 EX 485 TU 502