I keep finding myself in a corner with a user. He uses mail
extensively, which
is fine, he has a huge archive of own professional correspondence,
which is
fine, but he uses mail folders as if they were regular system folders,
with
very long paths, and keeps renaming them and moving them around, daily,
breaking the mail index
Hi Rupert,
I share your frustration. I have had similar users, who used mailbox as
a sort of task/ticket manager. Each task was a separate folder, (with
all related emails), and they renamed/moved the folder when the task
status has changed.
It was OK as long as they used POP3 + Outlook and everything was in
local PST folder. Until the PST grew over some limit (4 GB or such) that
outlook was not able to handle.
So we migrated them to IMAP (cyrus), and ran into a problem with
forbidden characters in folder names. Most prominent was "." - used for
date format. But they kept on trying other special chars, always hitting
something forbidden. (too late I realized I should have switched the
folder separator from . to / before moving from POP3 to IMAP)
To make things worse, Outlook did not complain about forbidden
characters, it just made folder "local only" and stopped syncing it to
the IMAP server. Users gladly edited the folder name and removed the
"local only" from the name so it was impossible to trace back which
folders were synced and which not.
It was a constant pain ... Finally resolved by migrating them to MS-365.
Maybe dovecot would be more forgiving, but we did not dare to try.
--
Best regards
Vladislav Kurz
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