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: > >>>Hi, > >>> > >>>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 > >storage. > > > >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 > >small. > > 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 > folders. > > >> FWIW, we use courier-imap, not dovecot, and I know nothing about > >> dovcot beyond that it's imap and how to spell it. > > > >http://wiki.dovecot.org/MailLocation/Maildir > >http://wiki.dovecot.org/MailboxFormat/Maildir > > 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. Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: <http://lists.centos.org/pipermail/centos/attachments/20090831/7b38b43e/attachment-0005.sig>