On Sat, Jun 17, 2006 at 05:56:09PM +1000, Paul (NCC/CS) wrote:
> Why is this happening?

The netbsd.org primary MX makes use of greylisting to try and prevent 
spam. Take a look at http://www.greylisting.org/ for more info. Perhaps
you should use a smarthost to relay your mail (eg a mail server run by
bom.gov.au)? The smarthost would not have an intermittent connection and
you wouldn't suffer any major delays due to greylisting.

-mj
-- 
Michael-John Turner | http://mjturner.net/
mj@turner.org.za    | Open Source in WC ZA - http://www.clug.org.za/