----- Original Message -----
From: "Len Conrad" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, January 10, 2003 4:16 PM
Subject: [IMGate] Re: reject


>
>
> >Still get the same thing?
> >I enter the IP addresses for the delphi's E-mail servers
>
> no, you enter the ip address from which the rejected msg is coming from:
>
> "cannot find your hostname, 12.47.224.16"
>
Yes, that's the IPs I'm talking about.  since I see some comming from .16
and .17 I just entered them all.
delphi.com mail is handled (pri=10) by gateway1.delphi.com
delphi.com mail is handled (pri=10) by gateway2.delphi.com
delphi.com mail is handled (pri=10) by gateway3.delphi.com
delphi.com mail is handled (pri=10) by gateway4.delphi.com
imgate01# host gateway1.delphi.com
gateway1.delphi.com has address 12.47.224.16
imgate01# host gateway2.delphi.com
gateway2.delphi.com has address 12.47.224.17
imgate01# host gateway3.delphi.com
gateway3.delphi.com has address 68.20.140.15
imgate01# host gateway4.delphi.com
gateway4.delphi.com has address 68.20.140.16

> imgate is not blocking delphi.com's ip's.

Right, like cybertime said, there's no DNS revers lookup.
How can I go around this?  Can I manually enter this entry on the DNS server
or somewhere else so that it knows that 12.47.224.16 resolves to
gateway1.delphi.com
> It is blocking 12.47.224.16 because the sender.domain of msg from that ip
> is delphi.com, and is apparently a forgery.

>
> whitelisting works
>
> Len
>

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