Quoting Aki Tuomi <[email protected]>:

On October 26, 2017 at 5:53 PM [email protected] wrote:

  Quoting Aki Tuomi <[email protected]>:

On October 26, 2017 at 5:40 PM [email protected] wrote:

  Quoting Steffen Kaiser <[email protected]>:

On Thu, 26 Oct 2017, [email protected] wrote:

/dovecot: lda(www-data): Error: user www-data: Initialization
failed: Namespace '': MKDIR(/VAR/WWW/MAIL) failed: Permission
denied (euid=33(www-data) egid=33(www-data) missing +w perm:
/var/www, dir owned by 1001:1001 mode=0755//)  /

I did some troubleshooting and I don't understand where
the MKDIR(/VAR/WWW/MAIL) is coming from. Mailboxes are in /var/mail
and

^^ /var/mail contains the INBOX only

sending/receiving emails is working as it always did.

mail_location is still setup to be MAIL_LOCATION =
MBOX:~/MAIL:INBOX=/VAR/MAIL/%U

Everything else is in ~/MAIL (why uppercase?)

Why is it trying a mkdir in /var/www?

Because most likely /var/www is the home directory of www-data and
you've configured to use $HOME/MAIL as base directory, which is
/var/www/mail
- -- Steffen Kaiser

I don't know where the uppercase is coming from. In the email I've
sent its lower case.

How can I fix that without changing permissions of /var/www? Where is
$HOME/MAIL configured? Why do I get this error now for the first time,
when there was no change to the system configuration?

Probably someone attempted to send email via a crappy script and
it's now trying to deliver to www-data.

first_valid_uid = 1001
last_valid_uid = 1001

also, doveconf -n would be useful.
Aki

Here is doveconf -n: https://pastebin.com/raw/s6cKwHGc

Home directory is provided by passwd userdb when present in passwd file. to override it, use

userdb {
  driver = passwd
  override_fields = home=/var/mail/%Lu
}
Aki

 Thanks for the quick replies.
I've checked, and the user database information is stored in /home/user/mail/ for every user. That works as expected without changing anything. I have still the same question… Why is it trying to write to /var/www when the mailbox is in /var/mail/ and the user data in /home/user/mail/?

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