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Old 07-07-2011, 09:51 AM   #1
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Mail server issue


I have a few servers that are used solely as webservers with postfix installed for notifications etc.

It was brought to my attention yesterday that emails were not being received by clients of the webserver. This is because the local webserver with postfix is grabbing the local domain email instead of sending it on to the external mail server. I.e a contact form going to is not being delivered to their external exchange box because the webserver is trying to route the mail locally.

I figured I have two options. Rename postfix domain address. So instead of use and setup postfix accordingly. Or to setup a smtp server for them and have all the servers relay through to that.

Generally what do you guys do for webservers with separate mail services elsewhere?

Old 07-08-2011, 04:57 AM   #2
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By default, Postfix will try to deliver for mail that matches the mydestination parameter. Since you want it to pass the mail elsewhere instead, I am pretty sure you need to configure a virtual alias to tell Postfix to send the mail to your exchange server instead. There are a few different ways to do this and what I am not sure of is whether or not you can globally specify it saying all mail goes to this domain or if you need to handle it on a per email address basis. Here is a link to the Postfix virtual readme that discuss the different options and provides some examples.
Old 07-08-2011, 05:25 AM   #3
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Hey thanks for the link. .

I ended up creating a subdomain to run postfix off. i.e This allows postfix to send mail out from the server to the correct destination.

I'll check out the virtual alias.


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