I have Win XP, Eudora as my e-mail client, Firenet as my ISP. In the past couple of days I have suddenly experienced long delays in sending e-mail messages to groups of between 20 and 70 addresses, using BCC. I have Norton antivirus and am wondering if a recent update is causing the problem. It looks as though every single address is being checked at length. This morning I sent a simple message (text in the body of the e-mail) to 20 people and it took about 20 minutes to send. It doesn't seem to matter whether or not there is an attachment. Messages to individuals go as n ormal. Any help appreciated.