Am 08.04.2013 21:08, schrieb Stan Hoeppner: > Isn't this a class of problem that can be fairly easily solved using > virtual machines? Dedicate a VM and Postfix per customer, without > needing to hack up the MTA. If the issue is "queue fairness" then one > virtual machine per customer should address this. Disk space is so > cheap today that dedicating a few GB to a queue for each customer isn't > a limiting factor. With a sufficiently stripped down custom Linux or > FreeBSD image the OS memory footprint should be small enough to pack > many VMs/customers onto one machine. In the case of Linux one may be > able to use KVM/KSM to consolidate all the like in memory binary images, > cutting down the total memory footprint even further. The same can be > done with VMWare ESXi, probably more easily in the latter case, but this > freebie version probably limits the number of virtual machines to a > value lower than what you'd need
have fun with a grwoing number of customers up to some hundret http://www.postfix.org/MULTI_INSTANCE_README.html
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