[Dovecot] POP3: Keep a copy on server failed ...

[Dominique Feyer]

I have just use 0.99 for test before production on this server. The
first version in production was beta9.

I just create some new account right now with RC2, and I have this
probelm.

Thansk for your help

Le lundi 17 juillet 2006 à 15:02 +0300, Dumitru Negara a écrit :
> Is this a new installation of Dovecot? Or you just upgraded from 0.99?
> 
> Dumitru
> 
> Dominique Feyer wrote:
> > I have this in my configuration:
> >
> > protocol pop3 {
> > pop3_enable_last = no
> > pop3_uidl_format = %08Xu%08Xv
> > pop3_client_workarounds = outlook-no-nuls, oe-ns-eoh
> > }
> >
> > If I change the pop3_uidl_format I need to remove all the index file on
> > my server ? I read on the doc that this change cann't be done on a
> > production server ?
> >
> > I have more than 10'000 accounts on this cluster so I can't have a big
> > downtime.
> >
> > Thanks
> >
> > Le lundi 17 juillet 2006 à 14:48 +0300, Dumitru Negara a écrit :
> >> Hi,
> >>
> >> Dominique Feyer wrote:
> >>> I have a big problem with our cluster, if i read my mail with POP3
> >>> client (and check the option, keep a copy on server), every time I read
> >>> my mail, my client retrive ALL messages an the mailbox !!!
> >>>
> >>> I test this with:
> >>>
> >>> - Apple Mail 1.0 + 2.0
> >>> - M$ Outlook 2000 + 2003
> >>> - Thunderbird
> >>>
> >>> We use:
> >>> - Dovecot RC1
> >>> - Postfix on Debian Sarge (stable)
> >>>
> >>> Can you know this bug ? Or have a workaround ?
> >>>
> >>> This function is really important for our customer as we offer a backup
> >>> solution for her mails.
> >>>
> >>> Thanks
> >>>
> >> It's probably just a configuration issue.
> >>
> >> If you upgraded from dovecot 0.99 or maybe migrated from another
> >> IMAP/POP3 server you should set correctly the "pop3_uidl_format" 
> >> parameter.
> >>
> >> I upgraded from 0.99 to 1.0.rc2 and below is my "pop3_uidl_format":
> >>
> >> # POP3 UIDL format to use. You can use following variables:
> >> #
> >> # %v - Mailbox UIDVALIDITY
> >> # %u - Mail UID
> >> # %m - MD5 sum of the mailbox headers in hex (mbox only)
> >> # %f - filename (maildir only)
> >> #
> >> # If you want UIDL compatibility with other POP3 servers, use:
> >> # UW's ipop3d : %08Xv%08Xu
> >> # Courier version 0 : %f
> >> # Courier version 1 : %u
> >> # Courier version 2 : %v-%u
> >> # Cyrus (<= 2.1.3) : %u
> >> # Cyrus (>= 2.1.4) : %v.%u
> >> # Older Dovecots : %v.%u
> >> #
> >> # Note that Outlook 2003 seems to have problems with %v.%u format
> >> which was
> >> # Dovecot's default, so if you're building a new server it would be a 
> >> good
> >> # idea to change this. %08Xu%08Xv should be pretty fail-safe.
> >> #
> >> # NOTE: Nowadays this is required to be set explicitly, since the old
> >> # default was bad but it couldn't be changed without breaking existing
> >> # installations. %08Xu%08Xv will be the new default, so use it for new
> >> # installations.
> >> #
> >> #pop3_uidl_format =
> >> pop3_uidl_format = %v.%u
> >>
> >> This works fine even with Outlook 2000/2003. Clients (Thunderbird, OE,
> >> Outlook 2000/2003) download just new mails.
> >>
> >> Regards,
> >> Dumitru
> >>
> >>
> 
> 
-- 
Net4all S.A.
Dominique Feyer
Administrateur Système
Ch. de la Colline 5bis
CH-1007 Lausanne
dfeyer at net4all.ch