> For anyone who uses Postfix out there...
> I'm getting this message deferral notice in the log summary,
> wondering if it means I'm on some blacklist.
> I checked ORBZ and RBL, didn't show up.
> Anyone ever seen this before?
>
> message deferral detail
> -----------------------
>   smtp
>         34
> FLAGDEFAULTRULE.CBASM.RBL.BLK.CDNSBL.RSS.DUL.OUTORBZ.INORBZ.OR...

Hmmmm... I have not seen that exact message, but it looks like a funky
rejection notice of your mail due to blacklisting. Why don't you contact the
postmaster of the remote server and see why they are flagging you? Perhaps
you are on some RBL due to your IP address. I've heard of an upstream ISP
getting put on a blacklist and all their little customers being 'painted'
too.

While you are at it, make sure you forward and reverse DNS look clean and
match your hostname + domain name on your postfix box.

Tony Wasson