Hi,
I'm having some problems after activating the quota plugin: I followed
the guide from the doc[0] but I'm having problems with some virtual user.
I understand that,with my conf,the quota plugin check the limit of a
user and then tell postfix to accept/discard the mail. i have some users
under my main domain [conf in /etc/passwd] and some virtual user/domains
[conf in virtusertable/virtdomains as files in postfix]. the virtual
users use their local user for the login, so dovecot doesn't know they
are virtual. I think the problem is here, because it is clear that the
quota-status check is made by dovecot using the virtual user and not the
local user[1].
understanding the problem doesn't help me in the resolution [other than
burn everything and rebuild with a single management for local/virtual
users using a db] but i will prefer a more soft approach. any help?
my complete conf below[2]
thanks,
noemi
[0] https://blog.sys4.de/postfix-dovecot-mailbox-quota-en.html
[1] where the virtual user is m...@virtdomain.com and the local user is
mail_virtdomain the check is done to user 'mail', thus returning a error:
Nov 16 06:36:09
quota-status(other-user)<129776><OOwwMv+3VWXw+gEAKobZ8Q>: Error: Failed
to lookup user m...@virtdomain.com: Mail access for users with UID 8 not
permitted (see first_valid_uid in config file, uid from userdb lookup).
[2]
# 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.4 ()
# OS: Linux 6.1.0-10-amd64 x86_64 Debian 11.7 zfs
# Hostname: mail-ng.pangea.org
auth_mechanisms = plain login
auth_username_format = %Ln
default_client_limit = 3000
disable_plaintext_auth = no
first_valid_uid = 8
log_path = /var/log/mail.log
mail_location = maildir:/home/%n/Maildir
mail_plugins = " quota"
mail_privileged_group = mail
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 {
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 {
driver = pam
}
plugin {
quota = maildir:User quota
quota_exceeded_message = Quota exceeded, please go to
https://laweb.pangea.org/contacte/ for instructions on how to fix this.
quota_grace = 10%%
quota_max_mail_size = 100M
quota_status_nouser = DUNNO
quota_status_overquota = 552 5.2.2 Mailbox is full and cannot receive
any more emails
quota_warning = storage=95%% quota-warning 95 %u
quota_warning2 = storage=80%% quota-warning 80 %u
sieve = file:~/sieve/;active=~/.dovecot.sieve
sieve_user_log = /var/log/sieve.log
sieve_vacation_send_from_recipient = yes
}
protocols = " imap lmtp sieve pop3"
service auth {
unix_listener /var/spool/postfix/private/dovecot-auth {
group = postfix
mode = 0660
user = postfix
}
}
service imap-login {
process_limit = 1024
service_count = 100
}
service imap {
process_limit = 1024
}
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0600
user = postfix
}
}
service pop3-login {
process_limit = 1024
service_count = 0
}
service pop3 {
process_limit = 1024
}
service quota-status {
client_limit = 1
executable = quota-status -p postfix
inet_listener {
address = 127.0.0.1
port = 7777
}
}
service quota-warning {
executable = script /usr/local/bin/quota-warning.sh
unix_listener quota-warning {
mode = 0666
user = vmail
}
user = dovecot
}
ssl_cert = </etc/letsencrypt/live/mail-ng.pangea.org/fullchain.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 = passwd
}
protocol imap {
mail_max_userip_connections = 40
mail_plugins = " quota imap_quota"
}
protocol lmtp {
mail_plugins = " quota sieve"
}
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