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Community Member

Relaying to Specific Domain

What is the best practice for relaying messages sent externally to a specific domain? I'm not talking about relaying from outside Ironport then back to your email servers. I'm talking about relaying the other direction. So for example your email server sends and email from abc.com to Ironport, I want something on Ironport that says any email from abc.com relay to this IP or domain. Can that only be done using a Outgoing Content Filter?

 

The goal is to have emails sent to a certain domain directed from Ironport to a vpn tunnel. 

2 REPLIES
Cisco Employee

Depending on incoming vs.

Depending on incoming vs. outgoing --- just create a content filter w/ alt-mailhost... and then also be sure to create an SMTP route for that alt-mailhost domain...

Similar to --->

SMTP route --->

In my example --- I'm not really routing anywhere --- so, I am using /dev/null.

Testing --- standard SMTP telnet --->

mail from: harry@flip.com
250 sender <harry@flip.com> ok
rcpt to: robsherw@cisco.com
250 recipient <robsherw@cisco.com> ok
data
354 go ahead
subject: THIS IS A TEST
HELLO
.
250 ok:  Message 202 accepted

 

Watching mail_logs --->

Tue Apr 29 18:11:36 2014 Info: MID 202 ICID 610 From: <harry@flip.com>
Tue Apr 29 18:11:41 2014 Info: MID 202 ICID 610 RID 0 To: <robsherw@cisco.com>
Tue Apr 29 18:11:49 2014 Info: MID 202 Subject 'THIS IS A TEST'
Tue Apr 29 18:11:49 2014 Info: MID 202 ready 153 bytes from <harry@flip.com>
Tue Apr 29 18:11:49 2014 Info: MID 202 matched all recipients for per-recipient policy DEFAULT in the inbound table
Tue Apr 29 18:11:49 2014 Info: MID 202 interim verdict using engine: CASE spam negative
Tue Apr 29 18:11:49 2014 Info: MID 202 using engine: CASE spam negative
Tue Apr 29 18:11:49 2014 Info: MID 202 Outbreak Filters: verdict negative
Tue Apr 29 18:11:49 2014 Info: MID 202 queued for delivery
Tue Apr 29 18:11:49 2014 Info: Delivery start DCID 0 MID 202 to RID [0]
Tue Apr 29 18:11:49 2014 Info: Message done DCID 0 MID 202 to RID [0] 
Tue Apr 29 18:11:49 2014 Info: MID 202 RID [0] Response '/dev/null'
Tue Apr 29 18:11:49 2014 Info: Message finished MID 202 done

 

Message is sent where I wanted it... /dev/null.

I hope this helps!

-Robert

 

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Community Member

Thank you for the response

Thank you for the response Robert. I'll try this and let you know if it worked.

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