Obet, Several million queued mails for one mailbox is impossible on typical hardware. Back at Mozcom when the queue hit 20,000 the machine was extremely unresponsive.
Granted we were doing spam- and virus-filtering. That's about a factor-of-10 performance penalty. So if you throw away the filtering, you can arguably put 200K messages on one box. This was using Postfix which I think is pretty fast and decent. The fastest MTA on earth has got to be Foundry's IronPort appliance. It can handle 10000 simultaneous connections. Extremely expensive though. On 1/18/07, Roberto Verzola <[EMAIL PROTECTED]> wrote:
Thanks, Eric. After reading more about zmailer, it seems that my more important requirement is the fastest mailer (MTA nga pala...) available. Given the speeds bandied about, mailing is quite slow that queues will probably not build up as I thought they would... My own browsing has turned up Ecelerity (fastest MTA on earth daw) and postfix among the claimants.
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