From owner-freebsd-isp@FreeBSD.ORG Fri Jul 7 15:03:53 2006 Return-Path: X-Original-To: freebsd-isp@freebsd.org Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C036316A4DE for ; Fri, 7 Jul 2006 15:03:53 +0000 (UTC) (envelope-from lists@stringsutils.com) Received: from zoraida.natserv.net (p65-147.acedsl.com [66.114.65.147]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6C9FE43D5A for ; Fri, 7 Jul 2006 15:03:46 +0000 (GMT) (envelope-from lists@stringsutils.com) Received: from zoraida.natserv.net (localhost.natserv.net [127.0.0.1]) by zoraida.natserv.net (Postfix) with ESMTP id 2D6D9B86F; Fri, 7 Jul 2006 11:03:43 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on zoraida.natserv.net X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=failed version=3.1.3 Received: from zoraida.natserv.net (zoraida.natserv.net [66.114.65.147]) by zoraida.natserv.net (Postfix) with ESMTP id E6A20B84D; Fri, 7 Jul 2006 11:03:42 -0400 (EDT) References: <20060706235712.A1171@ganymede.hub.org> <20060707121846.GA36201@uk.tiscali.com> Message-ID: X-Mailer: http://www.courier-mta.org/cone/ From: Francisco Reyes To: Brian Candler Date: Fri, 07 Jul 2006 11:03:42 -0400 Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="US-ASCII" Content-Disposition: inline Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV using ClamSMTP Cc: FreeBSD ISP , User Freebsd Subject: Re: IAMP servers in FreeBSD for ISP X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jul 2006 15:03:53 -0000 Brian Candler writes: > Conversely, it also means that it is not safe to use with NFS backends. So > if you already have a good and/or expensive NFS appliance, you won't want to > use Cyrus. Thankfully we don't have any big investment in an expensive NFS appliance. > Remember that Courier has a proxy front-end built in, so you can use a proxy > cluster instead of an NFS cluster (or even have some accounts on Courier and > proxy others to Cyrus; a very nice migration tool) We tried the proxy once.. but the proxy machine was keeping an instance running during the connection. Basically we saw a connection on the proxy machine and another in the destination machine. Not sure if this is how it is supposed to work or if we missconfigured. > If you do want to go the Cyrus route, there are some good papers from > Cambridge University in the UK describing their setup: Will check them up. Thanks. > Actually I have very good experience of courier-imap + exim in a large ISP > environment, but the vast majority of users were POP3, not IMAP. We have a mix and some users large directories with thousands of files. > although Courier's sqwebmail has a not particularly pretty interface, it > *does* perform very well under heavy usage Even with Inbox with large number of files? Say 5,000+ Unfortunately it's common for our users to let their mail pile up.. Specially the Spam folder. Sometimes they can't even clean their spam folder and we had to write a program to delete mail from the spam folder after so many days (based on customer setting).