LDA ignores virtual mailbox settings
Tamsy
dovecot-list at mohtex.net
Mon Dec 28 04:52:17 EET 2020
------------------------------------------------------------------------
*From:* Toni Mueller [mailto:support at oeko.net]
*Sent:* Monday, December 28, 2020, 3:18 AM
*To:* Aki Tuomi
*Cc:* dovecot at dovecot.org
*Subject:* LDA ignores virtual mailbox settings
> Hi Aki,
>
> thanks for your quick response!
>
> On Sun, Dec 27, 2020 at 10:00:40PM +0200, Aki Tuomi wrote:
>>> On Sun, Dec 27, 2020 at 09:18:25PM +0200, Aki Tuomi wrote:
>>>>> 16:04:16 dovecot: auth: Debug: master in:USER#0111#011user at example.com#011service=lda
>>>>> 16:04:16 dovecot: auth: Debug: prefetch(user at example.com): passdb didn't return userdb entries, trying the next userdb
>>>>> 16:04:16 dovecot: auth: Debug: sql(user at example.com): SELECT '/path-to-mailboxen/' || virtual_users.home AS home, uid , gid , quota as quota_rule FROM virtual_users WHERE email = 'user at example.com' AND status = 'A'
>>>>> 16:04:16 dovecot: auth: Debug: userdb out:USER#0111#011user at example.com#011home=/path-to-mailboxen/example.com/user#011uid=12345#011gid=12345#011quota_rule=*:storage=0
>>>>>
>>>>> ^^^^^^^^^^^^^^^^^^^^^^
>>>>>
>>>>> This shows that the database lookup works. The intended effect should be
>>>>> that the message is delivered to
>>>>>
>>>>> /path-to-mailboxen/example.com/user/Maidir/new
>>>>>
>>>>> 16:04:16 dovecot: lda(user at example.com)<5291><DDxBHYCw6F+rFAAApiCoHg>: Error: setegid(privileged) failed: Operation not permitted
>>>>> 16:04:16 dovecot: lda(user at example.com)<5291><DDxBHYCw6F+rFAAApiCoHg>: Error: Mailbox INBOX: open(/var/mail/user at example.com) failed: Permission denied (euid=12345(mailbox) egid=12345(mailbox) missing +w perm: /var/mail, we're not in group 8(mail), dir owned by 0:8 mode=0775)
>>>>>
>>>>> ^^^^^^^^^^^^^^^^^^^^^^
>>>>>
>>>>> And this shows that dovecot-lda just ignores the result.
>>>>>
>>>>>
>>>>> 16:04:16 dovecot: lda(user at example.com)<5291><DDxBHYCw6F+rFAAApiCoHg>: Error: Mailbox INBOX: Failed to autocreate mailbox: Mailbox INBOX: open(/var/mail/user at example.com) failed: Permission denied (euid=12345(mailbox) egid=12345(mailbox) missing +w perm: /var/mail, we're not in group 8(mail), dir owned by 0:8 mode=0775)
>>>>> 16:04:16 dovecot: lda(user at example.com)<5291><DDxBHYCw6F+rFAAApiCoHg>: msgid=<20201226224933.014608 at laptop.example.com>: save failed to open mailbox INBOX: Mailbox INBOX: Failed to autocreate mailbox: Mailbox INBOX: open(/var/mail/user at example.com) failed: Permission denied (euid=12345(mailbox) egid=12345(mailbox) missing +w perm: /var/mail, we're not in group 8(mail), dir owned by 0:8 mode=0775)
>>>>> 16:04:16 postfix/pipe[5284]: 8CD6CE072E: to=<user at example.com>, orig_to=<userA at example2.com>, relay=dovecot, delay=62083, delays=62083/0.04/0/0.04, dsn=4.3.0, status=deferred (temporary failure)
>>>>>
>>>>>
>>>>> In /etc/postfix/master.cf, I have this to call it:
>>>>>
>>>>> dovecot unix - n n - - pipe
>>>>> flags=DRhu user=_mailbox argv=/usr/lib/dovecot/deliver -f ${sender} -d ${user}@${domain} -a ${recipient}
>>>>>
>>>> Try adding
>>>>
>>>> mail_privileged_group = mail
>>> I am not sure why you recommend this. I never ever want to deliver to
>>> /var/mail, and my mailbox directory has group 'mailbox' - hence I have
>>>
>>> mail_privileged_group = mailbox
>>>
>>> in my configuration.
>>>
>>> My question is why this thing wants to deliver to /var/mail, despite
>>> having a different location from the userdb, and how I can force it to
>>> use the location from the userdb.
>>>
>>>
>>> Thanks,
>>> Toni
>> Sorry, I misread your problem..
>>
>> can you try checking output of
>>
>> `doveadm user <username>`
> # doveadm useruser at example.com
> field value
> uid 12345
> gid 12345
> home /path-to-mailboxen/example.com/user
> mail maildir:~/Maildir:INBOX=~/Maildir
> quota_rule *:storage=0
>
>> and
>>
>> `doveadm auth lookup <username>`
> # doveadm -v auth lookupuser at example.com
> passdb:user at example.com
> user :user at example.com
>
>> Also, including `doveconf -n` would be useful.
> # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.5.4 ()
> # OS: Linux 4.19.0-13-amd64 x86_64 Debian 10.7
> # Hostname: testvm.example.com
> auth_debug = yes
> auth_debug_passwords = yes
> auth_failure_delay = 0
> auth_mechanisms = plain login
> auth_verbose = yes
> auth_verbose_passwords = plain
> deliver_log_format = msgid=%m: %e -> %{to_envelope} %p %w %{delivery_time} %{storage_id} %{secured}
> disable_plaintext_auth = no
> login_access_sockets = tcpwrap
> mail_debug = yes
> mail_location = maildir:~/Maildir:INBOX=~/Maildir
> mail_privileged_group = mailbox
> 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 = maildir:~/Maildir:INBOX=~/Maildir
> mailbox Drafts {
> special_use = \Drafts
> }
> mailbox Junk {
> special_use = \Junk
> }
> mailbox Sent {
> special_use = \Sent
> }
> mailbox "Sent Messages" {
> special_use = \Sent
> }
> mailbox Trash {
> special_use = \Trash
> }
> prefix =
> }
> passdb {
> args = /etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> plugin {
> expire = Trash 30 Spam 30
> quota = maildir
> quota_rule = *:storage=50000
> quota_rule2 = Trash:ignore
> sieve =file:~/sieve;active=~/.dovecot.sieve
> sieve_dir = ~/sieve
> trash = /etc/dovecot/dovecot-trash.conf
> }
> protocols = pop3 imap
> service auth {
> unix_listener /var/spool/postfix/private/auth {
> group = postfix
> mode = 0660
> user = postfix
> }
> }
> service imap-login {
> inet_listener imap {
> port = 0
> }
> }
> service tcpwrap {
> unix_listener login/tcpwrap {
> group = $default_login_user
> mode = 0600
> user = $default_login_user
> }
> }
> ssl = no
> ssl_cert = </etc/dovecot/private/dovecot.pem
> ssl_client_ca_dir = /etc/ssl/certs
> ssl_dh = # hidden, use -P to show it
> ssl_key = # hidden, use -P to show it
> userdb {
> driver = prefetch
> }
> userdb {
> args = /etc/dovecot/dovecot-sql.conf.ext
> driver = sql
> }
> protocol lda {
> mail_plugins = autocreate quota mail_log trash virtual notify
> }
> protocol imap {
> mail_max_userip_connections = 10
> mail_plugins = autocreate quota imap_quota mail_log trash virtual notify
> }
>
>
>
> Thank you!
>
> -Toni
> Hi Toni,
>
> Try this:
>
> mail_home = /path-to-mailboxen/%d/%n
> mail_location = maildir:~/Maildir:LAYOUT=fs
>
> and
>
> namespace inbox {
> separator = /
> prefix =
> inbox = yes
> subscriptions = yes
> list = yes
> type = private
> hidden = no
> }
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