Try a recipient_bcc_maps using pcre: Eg, something like this: /^([^\@]*)\@yourdomain\.com$/ $1...@new.server.com
(first part is "match anything that does not contain a @", second is a literal @, and the final part is the external domain that your border server receives mail on) (Note, test around with the map on a test server connected to 2 other test server instances to "simulate" your setup before deploying this to a production server) And then you use a transport map to deliver the new domain to the new server. -----Ursprungligt meddelande----- Från: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] För Stuart Longland Skickat: den 9 februari 2016 06:32 Till: postfix-users@postfix.org Ämne: Deliver all mail from one domain to two servers [invalid signature!] Hi all, I did a search but didn't turn up any answers. We've got a border router that runs Postfix (on Ubuntu 14.04) and accepts email for a couple of domains, all of which gets passed to a server inside our corporate network, which is configured using the relay_domains and transport_maps keys. We are in the process of commissioning a new server that will ultimately replace the first one. So we'll have two servers, the existing one (with Postfix + Zarafa 6.40, Ubuntu 10.04) and the new one (with Postfix + Dovecot, Ubuntu 14.04) both responsible for the same domains. We want to have our email go to both servers simultaneously, so that we can flip back and forth between the two hosts as need requires. i.e. if things go really pear shaped, we can switch back and we've lost no incoming email. (We might need to cherry-pick some sent mail out of the new server, but that should be an easier job.) Is it possible to nominate both servers as being the destinations for both domains so that a single email sent to user@domain is sent to both internal servers? Regards, -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere.
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