Ok - at this time I am using the following non-default settings:
Samba server - smb.conf
[Mailstorage]
ea support = Yes
use sendfile = Yes
fake oplocks = Yes
delete readonly = Yes
Dovecot - dovecot.conf
mmap_disable = yes
dotlock_use_excl = yes
fsync_disable = yes
lock_method = dotlock
I'm still testing - but at this time I'm seeing no errors.
Two options I can state cause severe problems are the "directio" and
"setuids" mount options for the cifs client.
--
Daniel
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