Can't access CVS

Here's what happens:

$ cvs -d :pserver:anoncvs(at)postgresql(dot)org:/usr/local/cvsroot login
(Logging in to anoncvs(at)postgresql(dot)org)
CVS password:
$ cvs -z3 -d :pserver:anoncvs(at)postgresql(dot)org:/usr/local/cvsroot co -P pgsql
Fatal error, aborting.
: no such user
cvs [checkout aborted]: authorization failed: server postgresql.org rejected
access

--
Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
PGP key from public servers; key ID 32B8FAA1
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"Many are the afflictions of the righteous; but the
LORD delivereth him out of them all."
Psalm 34:19