Mailing List CGatePro@mail.stalker.com Message #95370
From: Vesse Michel <michelv@liberty-one.com>
Subject: Re: PTR
Date: Sat, 28 Jun 2008 10:24:50 +0200
To: CommuniGate Pro Discussions <CGatePro@mail.stalker.com>
thank you Lyle,
please could you give me eg for my domaine
liberty-one.com MX = smtp.liberty-one.com
smtp.liberty-one.com = 62.161.38.99 + ptr

62.161.38.99 NAT to CGPserver 172.22.0.99 for the incomming messages and 172.22.0.99 CGP server  NAT to IP public 62.161.38.99 for Outbound messages

how add ptr on 62.161.38.253 ?


i have also the same probleme for all domaines with other IP public



Vesse Michel wrote:
hello,
this is my config
Server OS: Microsoft Windows 2003
Server Hardware: x86 (32-bit)
Server Version: 5.2.3
MAPI Version: 1.51.16.4
IPv6 Support: Inactif
maindomain is centralpost.net

pat router externe is 62.161.38.253

IN
FW from POP 62.161.38.99 NAT to CGPserver 172.22.0.99
FW from SMTP 62.161.38.99 NAT to CGPserver 172.22.0.99
FW from IMAP 62.161.38.99 NAT to CGPserver 172.22.0.99

OUT
FW from POP 172.22.0.99 NAT to CGPserver 62.161.38.99
FW from SMTP 172.22.0.99 NAT to CGPserver 62.161.38.99
FW from IMAP 172.22.0.99 NAT to CGPserver 62.161.38.99

for liberty-one.com MX = smtp.liberty-one.com
smtp.liberty-one.com = 62.161.38.99 + ptr

the probleme is when i send email to AOL the email is not sending

in the email header i have :
Sending/Received: from centralpost.net ([62.161.38.253])

i dont now why this is not the mx record of my domaine liberty-one.com
[62.161.38.99]and is it the good parameters

??

michel

When you send email, it goes out the external ip address for the nat,
which is 62.161.38.253. Add a ptr record for 62.161.38.253 and AOL will
be happy.

If you want your email to go out via .99, you need to re-configure your
router to send all outbound traffic from 172.22.0.99 via 62.161.38.99,
not just a couple of ports. When making an outgoing connection, CGPro
will use a random high-order port to connect to the SMTP port at the far
end. Your router rules want to forward only if the orginating port is
port 25(SMTP), which it won't be.

Lyle

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