Date: Sat, 11 May 2002 21:32:45 -0400 From: Bill Moran <wmoran@potentialtech.com> To: Lord Raiden <raiden23@netzero.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Large numbers of users Message-ID: <3CDDC63D.7040708@potentialtech.com> References: <4.2.0.58.20020511125817.009dc100@pop.netzero.net>
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Lord Raiden wrote: > Just a little forethought to something that "might" (and the keyword > here is "might") happen in the near future with us. Well actually it's > gonna be up to me to solve this should it happen. In the race to > consolidate things, one that I regrettably had to go through this winter > and pray I never have to do again, companies want more out of less. > Therefore, if things should shift and we're required to host a mail > cluster that has over, oh say 200,000 users, how would I effectively > host a mail cluster if the limit of users is 65k per machine? Is there > a way to setup mail services that doesn't require me to have any actual > user accounts on the machine, yet still provide mail services? > > So say when you finished setting up the server, the only 4 accounts > that FreeBSD would see would be Root and 3 different administrator > accounts. All the info for all the other mail users would be pulled > from a different user password database which would be connected with > the mail program only. I know this exists and I'm definitely behind the > ball on doing this since to pass 5000 users on any server we have is a > small miracle. But I'm trying to think ahead. I've done this with qmail and vpopmail (although not at that scale) I believe the default vpopmail hashed database should allow what you want in the scale that you want, but if it doesn't, you can configure vpopmail to read user data from a MySQL database. That may be smarter/faster anyway. But either way, the combination of qmail/vpopmail should facilitate that many users. I can't guarantee, however. If you have a test server, install qmail/vpopmail and write a perl script to add 200,000 users and make sure it works first. Also, you can add on IMAP capability. -- Bill Moran Potential Technology http://www.potentialtech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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