[Gllug] Problem with Email server behind Firewall

[wendy carr]

Hi All,
I am new to setting up email servers and appriciate
your help.I have a broadband connection terminating in
a Binatone router and i connect one of the Ethernet
port to a old PC running IPCOP.My Email server is
connected to the IPCOP on green interface.

              |      |
213.15.228.90 |Router|192.168.1.2 -----------
              |      |                       |
                                             |
                                             |
                                 |       |192.168.1.1
|
                 192.168.2.1     | IPCOP |---|
                                 |       |
                                      |
                                      |192.168.2.100
                                      |
                                 |            |
                                 |Email Server|
                                 |            |
I have configured router to forward traffic on port 25
to port 25 of 192.168.1.1.
And in IPCOP to forward all traffic for 192.168.1.1
port 25 to 192.168.2.100 which is my mail server.
When i try to send emails to user at 213.15.228.90 from
the internet mails get bounced back. But i can send
emails to user at yahoo.com from my mail server.
I use DNS from ISP.
Can anyone tell me what have i done wrong here ?

Cheers


	
	
		
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