From owner-freebsd-questions@FreeBSD.ORG Thu Feb 9 02:53:56 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B35B416A422 for ; Thu, 9 Feb 2006 02:53:56 +0000 (GMT) (envelope-from jhfoo@nexlabs.com) Received: from tin.colossus.net (tin.colossus.net [216.121.224.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2FF5F43D45 for ; Thu, 9 Feb 2006 02:53:56 +0000 (GMT) (envelope-from jhfoo@nexlabs.com) Received: from nexpc (63.210-193-15.adsl.qala.com.sg [210.193.15.63]) by tin.colossus.net (8.9.3p2/8.9.3) with SMTP id SAA23727; Wed, 8 Feb 2006 18:51:53 -0800 Message-ID: <004c01c62d25$1d893910$c801a8c0@nexpc> From: "Foo Ji-Haw" To: , References: <20060207222202.GA8604@math.jussieu.fr><20060208002642.GA7618@alexis.mi.celestial.com><20060208201321.GA23773@math.jussieu.fr> <20060208202207.GA22164@alexis.mi.celestial.com> Date: Thu, 9 Feb 2006 11:01:23 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1506 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 Cc: Subject: Re: Large imap server. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Feb 2006 02:53:56 -0000 I've been using FreeBSD + courier IMAP + MySQL (for user authentication). It's hardly a load issue for more than 200,000 users, and that was years ago. ----- Original Message ----- From: "Bill Campbell" To: Sent: Thursday, February 09, 2006 4:22 AM Subject: Re: Large imap server. > On Wed, Feb 08, 2006, Albert Shih wrote: > > Le 07/02/2006 à 16:26:42-0800, Bill Campbell a écrit > >> On Tue, Feb 07, 2006, Albert Shih wrote: > >> >Hi all > >> > > >> >I search some advice for large imap server. > >> > > >> >For me large is : 1000 users with 1 Go mails for each users. And every > >> >users check by imap/pop those mail every 2 or 3 minutes. > >> > > >> >What's the «best» imap server ? Cyrus Imap or Courier-Imap ? (please this > >> >is not a troll). > >> > >> I prefer Courier-imap because it uses Maildir storage while Cyrus > >> uses something similar in that it stores each message in a file, > >> but Cyrus also maintains index files which can get corrupted. > > > >Yes this is I known, but many «voice» tel me the Cyrus imap is for very > >huge. But I don't known what's mean «very huge»... > >> > >> We have several systems running courier-imap with 6000+ mailboxes > >> on a single server without problems. > > > >And how many mail have every mailboxes ? > > > >Whith courier-imap when the user check this mail every 1-2 minutes anyone > >known if the courier-imap daemon check only on > > > > Maildir/new > > > >or the daemon check also every > > > > Maildir/mailbox1/new > > Maildir/mailbox2/new > > I think that depends on the e-mail client. The default INBOX for > courier is $HOME/Maildir/{cur,new,tmp}, and each folder will be > in $HOME/Maildir/.foldername/{cur,new,tmp}. The client issues > the IMAP commands to check folders. > > POP clients will only see the default INBOX, and these tend to > download the new messages on every connection leaving the > mailboxes empty. > > IMAP clients tend to stay connected for extended periods of time > (as I found when using WHOSON to permit mail relaying by > connecting clients, and modified the whoson processing to update > the daemon server on every authenticated IMAP command). > > Bill > -- > INTERNET: bill@Celestial.COM Bill Campbell; Celestial Software LLC > URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way > FAX: (206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676 > > ``People from East Germany have found the West so confusing. It's so much > easier when you have only one party.'' -- Linus Torvalde, Linux Expo Canada > when asked about confusion over many Linux distributions. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"