Re: [cobalt-users] Re: Problems fwd: RaQ3 user to his msn.com acct

[Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>]

On Mon, 25 Nov 2002, Steve Werby wrote:

> "Fred McKinnon" <fmckinnon@xxxxxxxxx> wrote:
> > That sucks - although, it's msn's fault, I guess -
> > their new "anti-spam" upgrade rejects all mail
> > forwarded from our server, even though our IP and
> > domain is NOT on the blacklists.
>
> What are your IPs?  And do they all have reverse DNS setup?  I'm not talking
> PTR records in your Cobalt GUI's DNS section, unless you have been delegated
> authority to manage reverse DNS for your IP addresses since they'd then have
> no effect.  I'm talking actual reverse DNS.  I do not know that it's
> related, but I've seen Microsoft block email on occasion when the sending
> machine doesn't have reverse DNS setup.  If you post that info. we could
> either conclude that it's a potential cause (and definitely should be fixed
> in any case) or rule it out.
>

good idea Steve,
he can check his reverse with

dig -x ip.ad.re.ss


gerald
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