Originally Posted by Stefrobrts
You have to specifically subscribe yourself to a thread, just posting to it doesn't automatically subscribe you - At least not for me, unless there's a setting I don't know about.
I subscribe automagically I guess (if I understand the term correctly).
User CP-->Edit Options-->
Default Thread Subscription Mode
When you post a new thread, or reply to a topic, you can choose to automatically add that thread to your list of subscribed threads, with the option to receive email notification of new replies to that thread.
Default Thread Subscription Mode: No email notification