How to report bugs?

I have made a couple of attempts at reporting a postgresql bug, but
all have failed. Anybody knows how to contact the developers?

I have attempted to follow the bug reporting instructions at
http://www.postgresql.org/docs/current/static/bug-reporting.html.

I have e-mailed the bug reporting mailing list (but my e-mail never
appeared at the other end). Yes, I'm subscribed to the list under
that address.

I have asked the list owner why (without any response).

I have attempted to use the web form for bug reporting, but it says
that "johan dot walles at bea,com" (but not spam-proofed) isn't a
valid e-mail address.

I have attempted to e-mail their webmaster (without any response).

There are obviously bug reports reaching that mailing list, so it
can't be impossible, but I'm out of ideas :-(. Help!

Regards //Johan