Correcting Mail Home, Maildir and Sieve folder locations

[David White]

I sent the following email a couple of months ago, but didn't get any response, so I thought I'd try again. Would anyone be able to confirm for me which files and folders I need to move in order to resolve this situation with the home vs. maildir issue?

Sent with ProtonMail Secure Email.

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Sunday, June 28, 2020 6:43 AM, David White <dmwhite823 at protonmail.com> wrote:

> I have Dovecot 2.3.7.2 on Ubuntu 20.04.
> I just migrated the server from CentOS 8, and only migrated to the CentOS 8 machine a few months ago off of CentOS 7.
> I am pasting `doveconf -n` at the bottom of this email.
> 

> Everything is working.
> However, I'm trying to clean up warnings in the logs, and just discovered that I'm not managing home directories properly.
> (c/f https://wiki.dovecot.org/VirtualUsers/Home)
> 

> This is in the logs:
> 

> > Jun 28 06:09:50 mail.example.com dovecot: imap(email at example.com)<3786><fICEJCKpbfatQHg1>: Error: stat(/var/vmail/example.com/email at example.com/.dovecot.sieve/tmp) failed: Not a directory
> 

> Can I please get a sanity check?
> To resolve, I've come up with a bash loop to create a home folder, and fix the existing structure for each mailbox on the system. 
> I ran this for 1 of the domains on the system.
> 

> > for i in */ ; do mv "$i" mail; mkdir "$i"; mv mail "$i"; mv "$i"/.dovecot* "$i"; done
> 

> Then, I would simply edit /etc/dovecot/conf.d/10-mail.conf so that it looks like this:
> 

> > mail_home = /var/vmail/%d/%u
> > mail_location = maildir:/var/vmail/%d/%u/mail
> 

> To confirm, should all of the 'hidden' dovecot files be moved to the user's new home folder like I'm trying to do in the above script?
> Or are there other files that I will need to move?
> 

> After running that loop above on a test server (don't worry, I would never do this in production without testing), one of the mailbox's home folder on the server looks like this:
> 

> > total 56
> > drwxr-xr-x   4 vmail vmail  4096 Jun 28 06:19 .
> > drwx------   6 vmail vmail  4096 Jun 28 06:09 ..
> > -rw-------   1 vmail vmail    54 Jul  4  2019 .dovecot.lda-dupes
> > lrwxrwxrwx   1 vmail vmail    21 May 26  2016 .dovecot.sieve -> sieve/roundcube.sieve
> > -rw-------   1 vmail vmail     0 Oct 17  2016 .dovecot.sieve.log
> > -rw-------   1 vmail vmail   218 Jul  6  2019 .dovecot.svbin
> > drwx------ 277 vmail vmail 32768 Jun 28 06:19 mail
> > drwx------   3 vmail vmail  4096 Feb  2 17:31 sieve
> 

> ... and connecting to that mailbox over Thunderbird seems to be working fine.
> But I want to make sure I'm not missing anything.
> 

> Here is my doveconf -n, with identifying information snipped out:
> 

> > root at mail:# doveconf -n
> > # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf
> > # Pigeonhole version 0.5.7.2 ()
> > # OS: Linux 5.4.0-39-generic x86_64 Ubuntu 20.04 LTS ext4
> > # Hostname: {snip}
> > auth_mechanisms = plain login
> > mail_location = maildir:/var/vmail/%d/%u
> > managesieve_notify_capability = mailto
> > managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext
> > namespace inbox {
> >   inbox = yes
> >   location =
> >   mailbox Drafts {
> >     auto = subscribe
> >     special_use = \Drafts
> >   }
> >   mailbox Junk {
> >     special_use = \Junk
> >   }
> >   mailbox Sent {
> >     auto = subscribe
> >     special_use = \Sent
> >   }
> >   mailbox "Sent Messages" {
> >     special_use = \Sent
> >   }
> >   mailbox Spam {
> >     auto = create
> >     special_use = \Junk
> >   }
> >   mailbox Trash {
> >     auto = subscribe
> >     special_use = \Trash
> >   }
> >   prefix =
> > }
> > passdb {
> >   args = /etc/dovecot/dovecot-sql.conf.ext
> >   driver = sql
> > }
> > plugin {
> >   sieve = file:~/sieve;active=~/.dovecot.sieve
> > }
> > protocols = imap pop3 lmtp sieve
> > service auth-worker {
> >   user = $default_internal_user
> > }
> > service auth {
> >   unix_listener /var/spool/postfix/private/auth {
> >     group = postfix
> >     mode = 0666
> >     user = postfix
> >   }
> >   unix_listener auth-userdb {
> >     group = postfix
> >     mode = 0666
> >     user = vmail
> >   }
> > }
> > service lmtp {
> >   unix_listener /var/spool/postfix/private/dovecot-lmtp {
> >     group = postfix
> >     mode = 0666
> >     user = postfix
> >   }
> > }
> > ssl = required
> > ssl_ca = </etc/ssl/certs/snip.ca-bundle
> > ssl_cert = </etc/ssl/certs/snip.crt
> > ssl_cipher_list = ALL:!LOW:!SSLv3:!EXP:!aNULL:!MD5
> > ssl_key = # hidden, use -P to show it
> > userdb {
> >   args = uid=vmail gid=vmail home=/var/vmail/%d/%u
> >   driver = static
> > }
> 

> Sent with ProtonMail Secure Email.
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