Outlook 2016 & IMAP Trouble with dovecot
secadm2007 at gmail.com
Tue Mar 6 19:28:55 EET 2018
On 03/06/2018 01:51 PM, Jerry wrote:
> We run Dovecot with Outlook, and have had similar problems when
> Outlook is operating in "Offline Mode". When you're in offline mode,
> doing any folder-level operations, such as Copy, Create, Rename, Move,
> Delete, etc. causes problems with the mailbox. The end result is that
> you could lose e-mails and entire folders that were involved in the
> offline operation.
> How we have fixed this in the past, what we have done is:
> 1. Do an Outlook "export" of the entire contents of the IMAP account
> into a ".pst" file. (This saves the e-mails that may be at-risk of
> being lost.)
> 2. Delete the IMAP account in Outlook, which includes the ".ost" file.
> 3. Delete the IMAP account on the Dovecot server
> 4. Reconfigure the IMAP account in Outlook
> 5. Restore the IMAP contents from the ".pst" file in step #1.
> 6. Educate the user about not doing folder-level operations while in
> offline mode.
> Hope this helps...
I did as you state above with a little variation and it works thanks for
the hint. My
changed sequence is (for anyone with same trouble) :
1. Export the mails into a pst (while off-line) . Don't be alarmed if
you DON'T see some of your messages
in the pst afterwards it's another bug we have to thank MS for, you have
to change the default view
to IMAP on some folders to see the emails (go figure why you have to do
so in a pst...)
2. Delete the ost used by the account (or rename it if you wish, just to
be sure) .
3. Let outlook refetch all messages from the server again ( to be sure I
size of the users maildir on the folder and waited for the ost to come
close and report no more
downloading, close one or two times outlook to be sure).
4. Import the previous pst back into outlook with the no duplicates
After that the mailbox was in sync with no mail missing. I just hope
that was a one time glitch but to be sure
I instructed the user to be cautious while working from home and report
if he sees signs
of not syncing . I'm not confident though that it will not happen again .
> On Tue, 6 Mar 2018 10:22:36 +0100, Jakob Curdes stated:
>>> that means that outlook is useless as an Imap client then . This is
>>> the whole idea behind
>>> imap, to be able to do work while off-line and sync changes when
>>> on-line or I get it wrong ?
>>> thanks anyway
>> I would see it a bit more general: Outlook is mostly useless as email
>> client in general (not looking at the groupware functionality). Even
>> with Exchange or other server types, many simple things do not work
>> reliably and never get fixed.
>> And the simplest things are impossible, e.g. displaying the full email
>> address of a sender instead of the name only (to make it harder to spoof
>> senders). I suspect 2016 is the 2nd-last version of Outlook to be
>> released and from then on it will be browser-only.
>> That said, IMAP support is "strange" and has always been - OL trusts its
>> own .ps ort .ost file more than the server which circumvents the general
>> idea of IMAP. If you need Outlook, avoid IMAP and if you need IMAP,
>> avoid Outlook....
> What version of Outlook are you using? I have "2016 (16.0.9029.2016) 32-bit
> installed and it does not exhibit the problems that you allege it does?
mine Is a fresh o365 subscription without exchange. The user is allowed to
install on his laptop to work at home.
> Have you ever tried any of the MS Forums?
I think the forums you describe above is mostly a waste of time. You
much of useful info on them (that's me personal opinion of course but ... )
> There are others of course, and I have had good success in the past getting
> answers. In my experience, the source of the problem is usually PEBKAC.
PEBKAC might be but Outlook MUST behave as an email client , otherwise
for IMAP and POP3 and state that it's only for exchange (but this way
they will loose $$$ i guess).
Sorry for the long reply
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