Can't Post?

[Farcaster]

In order to post in the Portland D20 Roleplayers Group, you must be a member. To join this group, you can click on the Join Group option here (http://www.penandpapergames.com/forums/forumdisplay.php?f=61), or you can go into your User Control Panel and join this or other groups (http://www.penandpapergames.com/forums/profile.php?do=editusergroups).

[exalted warlock]

How long after joining can I start posting? I tried to respond to a group seeking players, but it would not let me post. I just joined a few hours ago, so I can understand if there is more time required. Thank you