[Dovecot] Disable maildir indexing and dovecot-uidlist on LMTP/LDA delivery

[Jouko Nikula]

>>> However, I would look at the cause of the "insufficient privileges":
>>> it is a symptom of something that could lead to other problems.
>>
>>
>> The cause is that I have not given lmtp read access to mail/home dir.
>> :-) So this is intentional.
>
>
> That is bizarre -- I can't think of how you can profit from denying read
> access to indices, but allow write access, and also allow read access
> to the mailboxes.
>
> Joseph Tam <jtam.home at gmail.com>

Now in my configuration LMTP does not have read access to the
mailboxes. So it can only read the CONTROL files and write all files.
In my opinion this means added security.


And thanks a lot to everyone for your help!