Here is a start for folks who are not receiving list traffic to un-bounce themselves. Note: you will most likely need a Groups IO account which is free of course.
1. Log-in at:
2. Navigate to your display name, and press enter.
3. Find, Accounts, and press enter.
4. Find, Recent Bounces, and press enter.
5. Search for un-bounce your account or something to that effect and follow the directions at that point.