Date: Tue, 23 May 2006 11:52:40 -0500 From: Vulpes Velox <v.velox@vvelox.net> To: Evren Yurtesen <yurtesen@ispro.net.tr> Cc: Derek Ragona <derek@computinginnovations.com>, freebsd-questions@freebsd.org Subject: Re: e-mail server farm question Message-ID: <20060523115240.6960123b@vixen42.vulpes> In-Reply-To: <4472BB57.7020001@ispro.net.tr> References: <4471ABF0.3090804@ispro.net.tr> <6.0.0.22.2.20060522102107.0274be28@mail.computinginnovations.com> <4471ECAA.3030406@daleco.biz> <20060522231641.7d63db65@vixen42.vulpes> <4472BB57.7020001@ispro.net.tr>
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On Tue, 23 May 2006 10:35:51 +0300 Evren Yurtesen <yurtesen@ispro.net.tr> wrote: > Vulpes Velox wrote: > > > On Mon, 22 May 2006 11:54:02 -0500 > > Kevin Kinsey <kdk@daleco.biz> wrote: > > > > > >>>At 07:17 AM 5/22/2006, Evren Yurtesen wrote: > >>> > >>>>Hello, > >>>> > >>>>I was wondering how does services like yahoo mail is storing > >>>>e-mails. Somehow the smtp server should know where to deliver > >>>>the mail inside the system and webmail should know from which > >>>>server to read it from. > >>>> > >>>>Does anybody have any practical ideas about how it is done? > >>>> > >> > >>Derek Ragona wrote: > >> > If you are using sendmail, as most FreeBSD users are, you can > >> > check the sendmail.org site for information on mail handling. > >> > There are a number of methods that depend on your setup. > >> > > >> > >>Well, it's pretty obvious that they aren't using a stock > >>SendMail: > >> > >># telnet mx2.mail.yahoo.com 25 > >>Trying 67.28.113.72... > >>Connected to mx2.mail.yahoo.com. > >>Escape character is '^]'. > >>220 mta309.mail.re4.yahoo.com ESMTP YSmtp service ready > >> > >>Short of finding an article written by someone 'in the know', > >>or an answer for someone like that, we can only guess. I'd > >>probably start with guessing a big DB on a large SAN; > >>which pretty much negates the "which server to read from" > >>question (up to a point). Everything else is pretty > >>academic. SMTP, IMAP, POP. > > > > > > Maildir makes it easy to distribute it across multiple machines as > > well. > > What do you mean exactly? distributing 1 user's mails into seperate > machines? I didnt understand how Maildir helps to this actually. Maildir is nfs safe and does not require locking. Thus multiple programs can safely use it.
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