Fsock error when posting..please help

[hel8itch]

ok everytime myself or someone else submits a new post this error comes up

2: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known
File: /home/MY LINK/public_html/Sources/Subs-Post.php
Line: 562

if i click back and try to re-submit the post i then get

You already submitted this post! You might have accidently double clicked, or tried to refresh.

any help would be great

[dtm.exe]

When you return back to the thread, do you see your post?

-Dan The Man

[xenovanis]

http://www.simplemachines.org/community/index.php?topic=23254.0

[hel8itch]

When you return back to the thread, do you see your post?

-Dan The Man

yes the comes up after i click back..then i re-submit i get a message saying its been submitted so i go to the index and back to the topic and my post is there