real-time blackhole

Infopackets Reader Elaine Y. writes: " Dear Dennis, How can I change my IP address? I ask because every now and again I try and email my friend (with a yahoo email address), but Thunderbird keeps telling me that my IP address is being blocked and ... can't send my email. Any ideas why I'm being blocked? Better yet, any idea on how I can change my IP address so I'm not blocked? " My response: This is a good question and the situation (at least for me) comes up often enough, so it's worth explaining. Also, I couldn't seem to find a single article on the Internet that explains how this happens (at ... (view more)