Maj'Dul is typically the most populated, but you should make an effort to recover your old account and characters. If you still remember the old login or email associated with it, contact customer service to have them help you update it. Do you remember what server you used to play on back in the day? There's actually a list of what servers were merged into what, and when.
Most people on AB stick to private channels, guild channels, Homeshow, or RPLFG, they turn off General to avoid trolls.
