When password is incorrect, log displays Bad file descriptor instead of helpful error.
"30/08/08 15:23:22: [brad] send(): Bad file descriptor"
I'm using POP3 though 127.0.0.1 port 9110 which is a SSH tunnel. The setup works fine, if I change the password back to incorrect the Bad file descriptor messages display again.
-ERR Authentication failed (bad password?)
Should be fixed in SVN. Thanks for the report!