[CentOS] Converting to maildir

Tue Jan 4 14:14:57 UTC 2011
Adam Tauno Williams <awilliam at whitemice.org>

On Tue, 2011-01-04 at 15:06 +0100, Dominik Zyla wrote:
> On Tue, Jan 04, 2011 at 08:52:23AM -0500, Adam Tauno Williams wrote:
> > 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?
> > >  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 access your message store.  Cyrus
> > IMAPd will index and filter all your messages for you].
> Many people care about storage format.

And they are misguided in doing so.  Details of message storage is an
internal [server's] problem.

>  Mbox is much more slower during
> operations on it. It's because it's operate on single file,

Correct, but who cares?  If the server provides high-performance to the
mailbox... why care?  Message format storage wars are silly.