Problems with default date 'now'

I have a table where I want the default value of a date field to be
todays date when I do insert. I have this table definition:

CREATE TABLE testdate(
received date DEFAULT 'now',
info text NOT NULL
);

The problem is that the 'now' apparently is substituted when I create
the table, not when I insert into it. Is there another way to handle
this? This is on Linux RedHat 5.0 with PostgreSQL 6.2.1.

Please remember to send replies to me (too), as I am not member on
this mailing-list.

Happy hacking,
--
##> Petter Reinholdtsen <## | pere(at)td(dot)org(dot)uit(dot)no
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