[CentOS] Converting to maildir

Tue Jan 4 14:07:54 UTC 2011
Ross Walker <rswwalker at gmail.com>

On Jan 4, 2011, at 8:52 AM, Adam Tauno Williams <awilliam at whitemice.org> 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].

I think the OP said he wanted maildir for backup reasons. With mbox a single new email will mean the whole mbox needs to be backed up, with maildir only that email will need backing up.