Also, what do you mean, a certain wan ip forwarding ip to your exchange ? like email gateway ?
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How to tell Exchange Server to send all emails via a specific WAN IP?
Currently we have a certain WAN IP forwarding all traffic direct at our mail server. This IP is not the primary IP address.
When email is sent from the Exchange Server (SBS 2003 R2), it's sending the emails via the primary IP address.
Is there a way to tell Exchange to send via the other IP address?
We're using a DrayTek 2820n as our gateway router.
Any help much appreciated. Thanks in advance.
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Answers
Yeah I have chosen one of the WAN IP addresses via the Open Ports option and setup port 25 on that WAN IP address, so any traffic sent to that IP:Port will hit our Exchange Email Server.
Also we already have the load balancing setup to send/receive all our VOIP traffic over WAN2 and everything else over WAN1. The mail server IP is setup on WAN1.
So you have two WAN Connections (Dual WAN) with two Public IP Addresses
If your mail flow is fine - then :
go into Loadbalance policy on your draytek router
and create a policy
from your exchange server local ip via wan2 (if you want it to use wan2 public ip address)
port tcp 25
this will guide all outgoing traffic from your exchange server destined for port 25 via wan2
a screenshot attached for your reference,
let me know if you need any more info
- d2820.png
- 15 KB
draytek2820
The "local exch IP" - is this the local IP (e.g. 192.168.1.10) or the external WAN IP address?
I need all traffic from Exchange received via WAN1 to go out via the same WAN1 interface, but use the same IP it uses to accept incoming traffic (not the primary IP address).
Would I put the external IP into Dest IP Start?
So it would look like (in the same order as the screenshot):
TCP
WAN1
192.168.1.10
<blank>
<external_ip>
<blank>
25
25
Is this correct?
Hi Learned One,
With respect to your suggestion, I feel that the points should be awarded in this case as this is the method for this scenario
load balance to make traffic go via specific wan interface and in wan IP aliases to make sure certain traffic is going out with that ip
I hope you can re-consider your suggestion ; as the solution has been provided
kind regards
Mutahir
ID:25760753
ID:25760893
Abov
which is what I suggest to the asker of this question.
thanks
Mutahir
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by: mutahirPosted on 2009-11-06 at 08:37:30ID: 25760634
On your draytek 2820 you can create a load balance policy and assign your desired ip address over there for tcp port 25
have you got dual wan ? or multiple static IP addresses ?