Correct..! It is of course N Internet Security, hence the firewall.
I have been using it for a couple of years at this stage and am reasonably acquainted with it. It has been allowing me to send & receive email quite happily - until a couple of days ago.
It updated itself, and now refuses to allow me to check for potential socialising duties

.
OE is listed in its permitted progs for internet access. I haven't changed anything at all - its down to the recent update which has snarled the process and taken it upon itself to restrict my communications.
Symantec don't seem to offer any help on their site for XP SP2 with OE and this problem. And I'm not going to pay their tech support to resolve a problem that they have created