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Re: Load balanced mail system

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Load balanced mail system
From: Todd Lyons <tlyons@xxxxxxxxxx>
Date: Fri, 13 Jan 2006 12:44:51 -0800
On Fri, Jan 13, 2006 at 12:22:28PM -0800, Joseph Mack NA3T wrote:

>>>There are two mailbox formats. One is called mbox and I
>>>forget the other. One is suitable for rsync'ing, the other
>>>isn't.
>>The other one is maildir.
>OK which MTAs use mbox and which use maildir and which is 
>suitable for rsync'ing (mbox, or maildir)

mbox is one file for all messages (like the /var/spool/mail/$USER mailbox)
maildir is one file per message

I don't know that I'd feel all that comfortable about syncing either
one:
mbox - This could end up with a corrupted mbox file since it's all one
big long file.
maildir - Guaranteed that you won't end up with any filename conflicts
since the hostname is used in the filename, but there are some shared
files, such as the quota or subscribed files.  Those files could easily
get out of sync.
-- 
Regards...              Todd
I've visited conferences where the wireless LAN was deemed "secure" by
the organisation because they had outlawed sniffers.    --Neils Bakker
Linux kernel 2.6.12-12mdksmp   4 users,  load average: 0.00, 0.11, 0.17

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