[CentOS] Converting to maildir

Jason Pyeron jpyeron at pdinc.us
Tue Jan 4 14:05:02 UTC 2011


> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of Adam Tauno Williams
> Sent: Tuesday, January 04, 2011 8:52
> To: centos at centos.org
> Subject: Re: [CentOS] Converting to maildir
> 
> On Mon, 2011-01-03 at 20:17 -0500, Jason Pyeron wrote:
> > Looking for a guide on converting to Maildir.
> > Here are our relevant specs.
> > sendmail-8.12.11-4.RHEL3.6 (we may not be able to upgrade 
> this due to 
> > too many
> > modifications)
> > imap-2002d-14
> > procmail-3.22-10.el3.centos.0
> > To a maildir setup...
> > <rant>
> > I was in a panic today at work because the backup server is 
> filling up 
> > too quickly, backing up peoples email. Further it is not backing up 
> > often enough. I just lost all of today's email. I hate mbox 
> and imap and outlook...
> > </rant>
> > All the maildir stuff I can find is postfix oriented.
> 
> Because sendmail is rapidly fading into history?

There are too many modifications to abandon it right now. Besides it is stable
as a rock.

> 
> >  From what I can read in
> > procmail man pages, it supports maildir and sendmail uses 
> procmail as 
> > the LDA, hence sendmail "supports" it.
> 
> There are numerous IMAP servers that support maildir, and 
> scripts to import MBOX files - that is how I would approach 
> it.  [But then I wouldn't use Maildir; I mean, really, who 
> cares what format your messages are in - use IMAP and network 

The backup server. As one file per mailbox, the backup server is backing up over
25G/hour. These files are not subject to de-duplication. With one message per
file only the new messages would get added to the backup size. 

What would you use besides Maildir?

> access your message store.  Cyrus IMAPd will index and filter 
> all your messages for you].
> 
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