Beginner question - I want to confirm that policy service running under postfix spawn could have multiple instances running (if there are multiple smptd processes) and so they should never cache any important user data in local memory because they would be out of sync with other instances of the same policy service. Is that correct understanding?
Is there any common solution to share memory between script instances? Only way I think of is to set maxproc 1 or use tool like memcache or go make it into a external daemon.
