Debug Mode

Hey skulls,
dont know if its anything to worry about but when i post i get a error, but the post still goes through

heres a screen shot of it
http://kamakazi.rocketproject.org/misc/debug_mode.gif

i think that only happens if someone in the thread has subscribed to the thread... not sure -why- it happens tho..

it happens when the mail server is down / out of reach..

happens when my internet dies. oh and when i'm 2 noob to open port 25 on smoothy