Here's my setup:
- a Woody box
- Postfix delivers mail to /var/imap/mydomain/<user>
- Courier IMAP is my generic IMAP server
- There is a group quota for /var/imap partition
Disk quotas for group vmail (gid 1001):
Filesystem blocks soft hard inodes soft hard
dev/sda5 122084 200000 200000 8518 0 0
~
- all users are assigned userid and group id of vmail
- all users use an IMAP client to fetch their mail
- I am using LDAP with Courier and Postfix so none of the users have a shell account.
The problem is that quotas are not working.
I was trying to setup up 20M limits for everyone at the kernel level.
I was also trying to setup 20M limits at the application (courier)
level.
This is a live system with 50 users. In a few weeks, 1992 users will be
on it.
How could I redesign this system with the minium amount of work to
ensure mail quotas would function properly ?
My sample LDAP entry for a generic 20M quota user:
dn: uid=tknab2,ou=mailaccounts,dc=mycoll,dc=edu
uid: tknab2
cn: Ted [ Theodore ] Knab
mail: [EMAIL PROTECTED]
mail: [EMAIL PROTECTED]
mail: [EMAIL PROTECTED]
mail: [EMAIL PROTECTED]
mail: [EMAIL PROTECTED]
uidNumber: 1005
gidNumber: 1001
mailhost: imap.mycoll.edu
accountstatus: active
homedirectory: /var/imap/mycoll/tknab2
mailmessagestore: /var/imap/mycoll/tknab2/Maildir
mailForwardingAddress: [EMAIL PROTECTED]
mailquota: 200000000S, 20000C
mailbox: tknab2/Maildir/
clearpassword: not-real
objectClass: qmailuser
objectClass: couriermailaccount
imap:/var/imap/mycoll# grep -v ^# /etc/courier/authldaprc
LDAP_SERVER myldapserver
LDAP_PORT 389
LDAP_BASEDN ou=mailaccounts,dc=mycoll,dc=edu
LDAP_BINDDN cn=courier,dc=mycoll,dc=edu
LDAP_BINDPW notreal
LDAP_TIMEOUT 10
LDAP_MAIL mail
LDAP_DOMAIN mycoll.edu
LDAP_GLOB_UID vmail
LDAP_GLOB_GID vmail
LDAP_HOMEDIR homeDirectory
LDAP_MAILDIRQUOTA mailquota
LDAP_FULLNAME cn
LDAP_CLEARPW clearPassword
LDAP_CRYPTPW userPassword
imap:/var/imap/mycoll# postconf -n
biff = no
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/lib/postfix
debug_peer_level = 2
delay_warning_time = 4
local_recipient_maps = $virtual_mailbox_maps
local_transport = virtual
mail_owner = postfix
mailbox_size_limit = 20480000 #20M
mydestination = $myhostname, $mydomain, localhost.$mydomain
mydomain = mycoll.edu
myhostname = imap.mycoll.edu
mynetworks = 127.0.0.0/8
myorigin = $mydomain
program_directory = /usr/lib/postfix
smtpd_banner = $myhostname NO UCE ESMTP (NO SPAM PLEASE)
virtual_gid_maps = static:1001
virtual_mailbox_base = /var/imap/mycoll/
virtual_mailbox_maps = ldap:ldapsource
virtual_minimum_uid = 500
virtual_uid_maps = static:1001
---------------------
Ted Knab
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