> > > > Yes. Do any Postfix administrators with busy systems rely on NFS? > > > > That seems like a really bad idea, honestly. > > > > So NFS is a poor, outdated choice for mail storage in 2020 for a > > small/medium > > enterprise? > > On any large number of users some kind of hash is used to distribute email > storage across multiple nodes.
Oh that's the obvious answer I didn't think of (but everyone else was thinking, right?). Let IMAP proxy LDA and IMAP traffic to a few file servers. Then those servers won't need expensive SAN as long as they have respectable SATA/RAID. Thanks!