On 03/10/12 08:21, Mark Felder wrote:
On Fri, 09 Mar 2012 14:33:53 -0600, Weldon Godfrey
<wel...@excelsusphoto.com> wrote:
I would highly recommend looking at Dovecot. I have used courier for
several ISPs then switched to Dovecot on my last install. Its
ability for
caching the index per user is of great performance advantage if you
choose
to leverage an IMAP based webmail solution (like Roundcube, or even
Squirrelmail, but I would recommend Roundcube over
Squrrel)...especially if
you are going to deal with mailboxes of tens of thousands of messages.
I concur. We use Dovecot at work and even put the indexes on Intel
SSDs. My boss's mailbox is actually 1.2 million messages. That's
pretty insane.
For my personal email I prefer Archiveopteryx which sanitizes,
normalizes, and deduplicates your email. There are caveats (breaks
gpg), but I find it to be wicked fast -- faster than Dovecot on my
server.
Here's an annoying problem: You have a filesystem with 9 million
messages in Maildirs. Backing this up or even rsyncing this sucks. Now
imagine being able to use database replication and use database dumps
for your backups. Pretty slick. You lose the beautiful power of shell
utilities, though....
Yes, thats true. That was tested in the paper: a cyrus? using sql
database backend performed faster in searches and lookups. But writing
and deleting was a drag, and you lose the shell; but I'm not sure that
thats such a problem as one could find tools in the sql commands
(provided you know databases well enough).
My idea was to run some tests based on extremes, but by the sounds of
some of these replies I'm a small fry it seems, not as extreme as I
thought... :)
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