Well... Did a full reinstall of the photopost. Unpacked from zip, cleared db and folders on server. Uploaded all files, did the install. So now its all default, still same result when trying to register new user.
Did however see something funny when i ssh`d to the server, got a bunch of mail saying:
A message that you sent contained no recipient addresses, and therefore no |
delivery could be attempted.
It looks like this is sent everytime i try to register a user, dont know if this is helpfull but...
Will try to do some more detective work here before i move to other server.