Akka Kill vs. Stop vs. Poison Pill?

Question

Newbie question of Akka - I\'m reading over Akka Essentials, could someone please explain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a smal

Answer 1

PoisonPill asynchronously stops the actor after it’s done with all messages that were received into mailbox, prior to PoisonPill.