How can I see all of my posts?

[LAPIII]

?????

 

[bc4]

+1

 

[WR2]

If you click on your forum name it will take you to your forum profile.
One of the options there is called "Access to the whole list of his/her messages"
It will show you all your previous messages in each of the forum sections - you'll have to move between sections to see them all.