Hi,

I have recently setup a new mail server and have simulated sending and receiving on the new email server. The new email server will replace the primary one.

I would like to setup the new email server in parallel with the existing one.This way i can observe issues that might occur and be aware of what could go wrong. I want to received mail to be delivered to both mail servers at the same time.

I would like to use postfix, exim i find a bit to difficult to understand.
I have thought of using transport maps, the only problem is that you can only forward mail to one server at a time using transport maps.

I think recipient_bcc_maps and sender_bcc_maps could work, i would just like ideas of how i can do this.

Thank you

I think it's called shaddow transport. However, I prefer Exim (which is a tough nut to crack but very, very powerful) so my Postfix knowledge is very limited.

How would this be done , using exim ?

Thanks

You need to use a redirect router to add a shadow address as a recipient (original%40host.com@newhost.com for example). Then you need to do a static router for your shadow host. The exact setup would depend on your desired architecture.

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does anyone knwo how to do teh forwarding to 2 two servers using Postfix?

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