[CentOS] IMAP servers and Sent/Junk folders
cannewilson at googlemail.com
Mon Aug 31 17:27:23 UTC 2009
On Monday 31 August 2009 17:45:21 Bill Campbell wrote:
> On Mon, Aug 31, 2009, Alexander Dalloz wrote:
> >> On Mon, Aug 31, 2009, Eugene Vilensky wrote:
> >>>my users were recently moved from a uw-imap on HPUX to dovecot on EL5.
> >>> Their sent items and folders went from a ~/Sent mbox file (when using
> >>>SquirrelMail and Apple Mail both) to ~/mail/Sent for SquirrelMail and
> >>>~/mail/Sent Messages for other imap clients. I notice I can cat the
> >>>files together and the only artifact is I end up with multiple "This
> >>>message is part of the system do not delete" visible to the user's
> >>>mail client. Is there any advice anyone can give me regarding this or
> >>>other solution?
> >> When I wrote a script to extract messages from UW-Imap mbox files
> >> (or standard BSD mail folders where UW-imap was used), moving
> >> them to Maildir storage, it was easy to just look at the Subject
> >> line of each message, ignoring those with the don't remove this.
> >double plus from my side to use Maildir with dovecot instead of mbox file
> >There are several scripts and solution for migration. It is easy and once
> >dovecot can use its indexed Maildir, you will see a huge improvement in
> >speed accessing the mailboxes. Especially if mailboxes are not just pretty
> One of the main reasons we have been using courier-imap for the better part
> of a decade is that we have several ISP clients where there are 10s of
> thousands of customers pretty constantly checking their e-mail with POP or
> IMAP. The courier authentication works much like apache with pre-spawned
> daemon processes that have proven very effective.
> Personally our system does server-side e-mail routing into
> different IMAP folders based on various headers, and I have 11
> folders that I monitor, many of these with several thousand
> messages (yes I save messages for quick retrieval).
> The access speed seems to depend more on the IMAP client than on
> the server. The current version of squirrelmail surprised me
> with its speed while horde/imp is pretty sluggish. Apple's
> Mail.app is quite a bit slower than Thunderbird on the same
> >> FWIW, we use courier-imap, not dovecot, and I know nothing about
> >> dovcot beyond that it's imap and how to spell it.
> I'll take a look at these, but will probably stay with what's
> working for us -- if it ain't broke, don't fix it.
Actually, your earlier statement was incorrect, Bill. Dovecot can handle both
imap and pop mail. It all comes down to the configuration files, but then the
on-line documentation for dovecot is very good.
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