firewall IP as Originating IP for emails

[Mrs. Geeta Thanu]

Hi Greshko,

Yah! what you are saying is correct I think.

I will just type the reason given by the domain which rejected our mail
----------------------------------------------------
bala at reametrix.com Permanent error involving remote host.
554 5.7.1 The server sending your mail[210.212.212.2] does not have a
reverse DNS entry.connection rejected.Please conatct your network ISP
provider.Default reject!
-------------------------------------------------
here the IP 210.212.212.2 is our firewall IP
and   the mail+web+DNS server IP is 210.212.212.3 which is natted in the
firewall to a local IP.

Please help me to solve this problem.

Thanks
Geetha

On Thu, 9 Sep 2004, Ed Greshko wrote:

> On Thu, 2004-09-09 at 16:36, Mrs. Geeta Thanu wrote:
> > Hi Gurus,
> >
> > We have our primary DNS , webserver, email server everything inside
> > firewall, all natted to WAN IP.
> >
> > Hence our mails are having the originating IP as firewall's IP ad hence
> > some domains are rejecting our mails.
>
> You say "some" domains are rejecting your mails.  Can we infer from that
> that most are accepting your mails?  If that is true, could you share
> the "reason" being given by the rejecting domains?
>
> Could it be that they are rejecting the mails because the IP address of
> the FW isn't resolvable?  e.g.
>
> [egreshko at misty log]$ host 210.212.212.2
> Host 2.212.212.210.in-addr.arpa not found: 3(NXDOMAIN)
>
> In any case, knowing the reason for the rejects would be a big step
> toward suggesting a solution.
>
> Regards,
> Ed
>
> >
> > The webserver and email servers IP are same since they both are on the
> > same machine.
> >
> > can anybody please guide me what rules I am doing mistake in firewall and
> > how this problem can be solved.
>
> --
> "I think the problem, to be quite honest with you, is that you've never
> actually known what the question is."
>
> --The computer "Deep Thought" in "Hitchhiker's Guide to The Galaxy"
>
>
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