seamless postfix migration to a new server

2013-10-12 Thread teknet9
Hello Everybody, I need to migrate my old postfix server to a new machine. Domain will be the same. I would like to make this migration seamless for the end users and give them 1-2 months for migration (both servers should work at that time correctly). My current deployment is the following: - my

Re: seamless postfix migration to a new server

2013-10-12 Thread teknet9
Hello Jeroen, Thank you for advise. I have many users i can not allow for any downtime (not even few seconds). Also i can not loose any single email. Your solution will not guarantee that. I am looking for true HA solution. That is why both servers needs to work at the same time for 1-2 months t