Hello Timo, Yes, I follow closely the commit messages of the dovecot-cvs list and lots of things have moved in this area. I will try and expect to be able to use dsync+imapc for our futures migrations.
Best regards, Emmanuel. Le 26/11/2015 21:37, Timo Sirainen a écrit : > v2.2.19 has many fixes related to dsync+imapc, which were found while > migrating several million users from GMail. I'm not aware of any problems > with it now. Also even before v2.2.19 dsync+imapc has been used to > successfully do many large migrations. > >> On 26 Nov 2015, at 17:49, FUSTE Emmanuel <emmanuel.fu...@thalesgroup.com> >> wrote: >> >> Hi, >> >> No, I tried fetching over imapc too exactly as you suggested. >> In my case it was not from cyrus, but from CriticalPath. >> isync was finally able to do the job, preserving flags and doing UIDs >> mapping. The most boring part was generating proper config file for >> thousands of accounts. >> A working imapc/dsync would have been better. >> >> Emmanuel. >> >> Le 26/11/2015 15:24, Sami Ketola a écrit : >>> Hi, >>> >>> I think you tried to read cyrus mails folders directly. I was talking about >>> fething mails from cyrus over imapc connection. >>> >>> Sami >>> >>>> On 26 Nov 2015, at 15:36, FUSTE Emmanuel <emmanuel.fu...@thalesgroup.com> >>>> wrote: >>>> >>>> Hello, >>>> >>>> Because it did not work ? >>>> In a similar situation, we where forced to use isync/mbsync in imap to >>>> imap mode because dsync did not work. >>>> It was reported here more than a year ago (May 2014). >>>> Time to time, I see the same report from other trying to use dsync to do >>>> a migration to dovecot. >>>> Dsync is a very appealing and elegant solution to this usage, but it >>>> does not always work in real world. >>>> >>>> Regards, >>>> Emmanuel >>>> >>>> Le 26/11/2015 12:30, Sami Ketola a écrit : >>>>> Hi, >>>>> >>>>> With imapsync you will lose message UIDs which means that IMAP clients >>>>> need to clear their local caches and redownload all messages. Why not use >>>>> dovecot dsync over imapc instead? It tries to preserve UIDs and Flags. >>>>> >>>>> http://wiki2.dovecot.org/Migration >>>>> >>>>> Sami >>>>> >>>>> >>>>>> On 07 Nov 2015, at 23:35, Forrest <those.li...@gmail.com> wrote: >>>>>> >>>>>> Thank you for the reply. I did find imapsync whilst perusing Google. I >>>>>> will give it a shot, it sounds more realistic/reliable. I have a hoard >>>>>> of emails going back to 1999, so I want as few errors as possible :) >>>>>> >>>>>> >>>>>> >>>>>> On 11/7/15 3:31 PM, Philon wrote: >>>>>>> Hi there, >>>>>>> >>>>>>> I was in the same position, but for mutliple accounts. Still you might >>>>>>> want to look at imapsync (https://github.com/imapsync/imapsync), isync >>>>>>> and offlineimap. There are more alternatives listed at the imapsync >>>>>>> homepage. >>>>>>> >>>>>>> >>>>>>> Philon >>>>>>> >>>>>>> >>>>>>>> Am 04.11.2015 um 20:47 schrieb Forrest <those.li...@gmail.com>: >>>>>>>> >>>>>>>> I have been attempting to use the cyrus2dovecot script, to no avail. >>>>>>>> >>>>>>>> I have many years of content that I want to convert from Cyrus to >>>>>>>> Dovecot; with the above not working, what are other options out there? >>>>>>>> Another idea I had is simply set up another IMAP server (using >>>>>>>> Dovecot) and drag-and-drop and just wait, which I may end up doing. >>>>>>>> >>>>>>>> In the above, I copied over my entire /var/imap and /var/spool/imap to >>>>>>>> another system; there is only one account (mine), so calling the >>>>>>>> script was fairly easy; it just doesn't work. >>>>>>>> >>>>>>>> >>>>>>>> inboxes=the "myaccount" that was copied over >>>>>>>> >>>>>>>> /home/myaccount/cyrus2dovecot --cyrus-inbox /home/myaccount/inboxes/%u >>>>>>>> \ >>>>>>>> --cyrus-seen /home/myaccount/varimap/user/%h/%u.seen >>>>>>>> \ >>>>>>>> --cyrus-sub /home/varimap/user/%h/%u.sub \ >>>>>>>> --dovecot-inbox /home/myaccount/dovecot/Maildir \ >>>>>>>> myaccount >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> the log output complains of: >>>>>>>> >>>>>>>> cyrus2dovecot [myaccount]: (warning) Index record missing for: >>>>>>>> INBOX/62020. >>>>>>>> >>>>>>>> and correctly complains about squat indices, as that's not a file it >>>>>>>> would handle. There is no output into the Maildir, however. >>>>>>>> >>>>>>>> All directory paths are correct. >>>>>>>> >>>>>>>> >>>>>>>> Thanks.
