2
Outbound SMTP Relay per Domain
Question asked by Jeremy Farrance - October 15, 2016 at 10:56 AM
Answered
I have a SmarterMail server (v13 still) with about 500 users across 20+ domains. I have 1 domain on this server that I need to send all its outbound messages through a specific SMTP Relay. I understand how to setup the whole server to have all messages use an outbound SMTP relay, but I only want this one client/domain to have their messages get routed. All the other domains should continue to send out their deliveries direct from SmarterMail. Is there some way to accomplish this? 

2 Replies

Reply to Thread
1
Nathan Y Replied
October 18, 2016 at 2:05 PM
The easiest way to achieve this would be to setup Exim on CentOS. Then setup a custom transport rule within Exim to deliver all email from the specific domain to the smarthost then all other email by DNS/MX resolution. An outbound route would then be defined within Smartermail to send all outbound email via Exim.
 
It requires some Linux experience but provides ultimate flexibility in mail routing / handling that far outstrips anything Smartermail can do. If you are not familiar with Exim invest the time to learn as it will pay off.
---
www.yorkukhosting.com
0
Rod Lasky Replied
October 19, 2016 at 7:57 AM
Employee Post
Hi Jeremy.  This KB Article will explain how to route a single domain through a separate SMTP gateway.
Rod Lasky
Technical Support Specialist
SmarterTools Inc.
(877) 357-6278
www.smartertools.com

Reply to Thread