Patrick Chemla: > Hi, > > I have a running Fedora 24 emails server using postfix 3.1.3, with courier. > > I wonder how to build a pair of MTAs to secure emails at all time, > having 2 servers receiving the emails, and users could connect to either > server to get emails, maybe on a load balanced way. > > Problems are with synchronization when receiving emails from outside, or > emails read, emails moved,....
You need a redundant message store. In pre-cloud times, people would use a NAS filer with redundant disks, store email as maildir files (one per message) and MDAs would mount that store via NFS. Perhaps that model still works for you. > Does someone have a good guide, howto, doc to achieve this? > > Thanks for help. > > Patrick > > >
