[Dovecot] dbox verses maildir - advantages/disadvantages

[Timo Sirainen]

On Wed, 2009-05-27 at 14:44 +1000, James Brown wrote:
> I am migrating our mail server from Courier-IMAP to Dovecot. We  
> currently use maildir storage format.
> 
> What are the advantages and disadvantages of Dovecot's dbox format  
> over maildir?

Speed. Nothing else. Maildir can handle errors better, because if index
files get lost/break you don't lose any state. With dbox you lose
message flags.

> Does anyone have any performance benchmarks for both? What do people  
> use to test performance?

There is nothing that can benchmark real world usage.
http://imapwiki.org/Benchmarking explains some of the reasons.

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