Am 04.09.2018 um 16:52 schrieb Sami Ketola:> > >> On 4 Sep 2018, at 17.47, Robert Schetterer <rs at sys4.de> wrote: >> >> Am 04.09.2018 um 09:41 schrieb Sami Ketola: >>> imapsync always loses data >> >> never saw this, be carefull by anounce such myths > > > It is a fact. Imapsync works over IMAP only and IMAP protocol does not even support transferring all data. At most at least UID numbering will be lost and end users need to invalidate their local caches.but using "looses data" might others think it also may fail with imap, so be more detailed next time> > Sami >Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Schlei?heimer Stra?e 26/MG, 80333 M?nchen Sitz der Gesellschaft: M?nchen, Amtsgericht M?nchen: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
> On 4 Sep 2018, at 18.00, Robert Schetterer <rs at sys4.de> wrote: > > Am 04.09.2018 um 16:52 schrieb Sami Ketola: >> >> >>> On 4 Sep 2018, at 17.47, Robert Schetterer <rs at sys4.de> wrote: >>> >>> Am 04.09.2018 um 09:41 schrieb Sami Ketola: >>>> imapsync always loses data >>> >>> never saw this, be carefull by anounce such myths >> >> >> It is a fact. Imapsync works over IMAP only and IMAP protocol does not even support transferring all data. At most at least UID numbering will be lost and end users need to invalidate their local caches. > > but using "looses data" might others think it also may fail with imap, > so be more detailed next timeUID number is also data that is saved on the IMAP backend. If that is lost then it's "lost data". Sami
Am 04.09.2018 um 17:18 schrieb Sami Ketola:> > >> On 4 Sep 2018, at 18.00, Robert Schetterer <rs at sys4.de> wrote: >> >> Am 04.09.2018 um 16:52 schrieb Sami Ketola: >>> >>> >>>> On 4 Sep 2018, at 17.47, Robert Schetterer <rs at sys4.de> wrote: >>>> >>>> Am 04.09.2018 um 09:41 schrieb Sami Ketola: >>>>> imapsync always loses data >>>> >>>> never saw this, be carefull by anounce such myths >>> >>> >>> It is a fact. Imapsync works over IMAP only and IMAP protocol does not even support transferring all data. At most at least UID numbering will be lost and end users need to invalidate their local caches. >> >> but using "looses data" might others think it also may fail with imap, >> so be more detailed next time > > > UID number is also data that is saved on the IMAP backend. If that is lost then it's "lost data". > > Sami >Sorry i migrated terrabytes of mail with imapsync and never had a problem, it works as designed, also with maildir rsync did a good job, what never worked as it should was dsync ,cause of bugs ,that may changed now so this is my answer to topic "Best way to move mail from one server to another" after all there is no "best way", there are a few ways choose the one which fits best to your needs goals and starting points ( kind of servers etc ) Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Schlei?heimer Stra?e 26/MG, 80333 M?nchen Sitz der Gesellschaft: M?nchen, Amtsgericht M?nchen: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein