(Reply from Randy Klumph)

Thanks Pete, I'll give those a shot. I suspect it is #4 given the
proliferation of poorly constructed spam blockers out there these days.


  - Pete Weiss wrote:
>Try some  test emails directly to him using each of the direct MX
>hosts
>as your SMTP outbound gateway
>
>Query:Mail Exchange (MX):optusnet.com.au
>optusnet.com.au MX      100     new-mail.optusnet.com.au
>optusnet.com.au MX      25      mail.optusnet.com.au
>
>In lieu:
>
>1) misconfigured MX host (sometimes one of the couple defined will not
>be
>appropriate)
>
>2) fouled up (out of date) NS RR records, which could also affect MX
>records (though they seem consistent for this host)
>
>3) a security authorization system that is unavailable certain hrs due
>to
>maintenance which rejects mail
>
>4) an intermediary anti-spam system that "eats" the distribution
>
>
>
>/Pete
>
>At 13:55 08/10/2004 Tuesday, Randy Klumph wrote:
>>I'm at a loss to explain why this may be occurring. Any ideas?