OK - without questioning why they need to send email that fast, my thinking on how to do it is this.
Start with a computer with as much ram as possible. Create a ram dis for the queues and no log files so there is virtually no disk access. Also have a second server for caching DNS and as a backup server in case email is delayed. The idea is to use the second server as a fallback server. The first main server tries to deliver the message only once. If it fails on the first try it hands it off to the second server and that clears it out of the queue. Yes I know that if the first server loses power that you would lose everything in the queue but I think it's acceptable. Then the Exim config would be as simple as possible and have it tuned for speed. Would you all say that would be the way to make Exim as fast as it could possibly go? -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
