quota warnings not sent out anymore
Christian Mack
christian.mack at uni-konstanz.de
Wed Dec 15 14:23:16 UTC 2021
Hello
Just to clarify.
You only will getting an over quota once, you step over one or multiple
of those quota warning limits while storing an email.
Therefore you will not get any warning, just because you are over that
85% limit.
If you receive another email in that account, and go at least over 90%,
then dovecot will call your script once.
If you also go over 100% with that same mail, you will not get one for
90% or 95%, but only one for 100%.
You also should check, if you have any environment variables set, which
are not present, when your script is run by dovecot.
Do you have any logging in it?
Kind regards,
Christian Mack
Am 15.12.21 um 14:06 schrieb mj:
> Hi,
>
> I am still struggling with this, and would appreciate any help ayone can
> give. Let me try to explain step for step.
>
> I created a test account test at company.com:
>
>> root at dovecot:/# doveadm quota get -u test
>> Quota name Type Value
>> Limit
>> %
>> STORAGE 1209
>> 1368
>> 88
>> MESSAGE 35
>> -
>> 0
>
> As you can see, the test mailbox is 88% full, so it should receive
> warnings, because in dovecot.conf I have set:
>
>> plugin {
>> quota = maildir
>> quota_rule = ?:storage=5G
>> quota_rule2 = Trash:storage=+100M
>> quota_warning = storage=97%% quota-warning 97 %u
>> quota_warning2 = storage=95%% quota-warning 95 %u
>> quota_warning3 = storage=90%% quota-warning 90 %u
>> quota_warning4 = storage=85%% quota-warning 85 %u
>> quota_warning5 = storage=80%% quota-warning 80 %u
>> quota_warning6 = -storage=100%% quota-warning below %u
>> }
>
> We use a script to send out the email warnings, configured like this:
>
>> service quota-warning {
>> executable = script /usr/local/bin/quota-warning.sh
>> unix_listener quota-warning {
>> user = vmail
>> mode = 0666
>> }
>> user = vmail
>> }
>
> When running this script manually as vmail, the warning is delivered to
> the test user:
>
>> sudo -H -u vmail bash -c '/usr/local/bin/quota-warning.sh 90 test'
>
> However, in practice: dovecot never sends out any quota-warnings. It
> just starts generating delivery failures when the mailbox is over 100%.
>
> We define the per-user quota in the first line of each user's
> maildirsize file, for the test user: /var/vmail/test/Maildir/maildirsize
>
> Here is a debug=yes log file of 88% full incoming mailbox delivery:
>
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Loading modules from directory: /usr/lib/dovecot/modules
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Module loaded: /usr/lib/dovecot/modules/lib01_acl_plugin.so
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Module loaded: /usr/lib/dovecot/modules/lib02_lazy_expunge_plugin.so
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Module loaded: /usr/lib/dovecot/modules/lib10_quota_plugin.so
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Module loaded: /usr/lib/dovecot/modules/lib15_notify_plugin.so
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Module loaded: /usr/lib/dovecot/modules/lib20_mail_log_plugin.so
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Module loaded: /usr/lib/dovecot/modules/lib20_zlib_plugin.so
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> Module loaded: /usr/lib/dovecot/modules/lib90_sieve_plugin.so
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> auth USER input: test uid=5000 gid=5000 home=/var/vmail/test
>> Dec 15 13:56:07 mail dovecot: auth: Debug: master in:
>> USER#0111#011test at company.com#011service=lda
>> Dec 15 13:56:07 mail dovecot: auth: Debug: userdb out:
>> USER#0111#011test#011uid=5000#011gid=5000#011home=/var/vmail/test
>> Dec 15 13:56:07 mail dovecot: lda(test at company.com)<20290><>: Debug:
>> changed username to test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Effective uid=5000,
>> gid=5000, home=/var/vmail/test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: lazy_expunge: No
>> lazy_expunge setting - plugin disabled
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota root: name=
>> backend=maildir args=
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota rule: root=
>> mailbox=? bytes=5368709120 messages=0
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota rule: root=
>> mailbox=Trash bytes=+104857600 messages=0
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=5207647846 (97%) messages=0 reverse=no command=quota-warning 97
>> test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=5100273664 (95%) messages=0 reverse=no command=quota-warning 95
>> test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=4831838208 (90%) messages=0 reverse=no command=quota-warning 90
>> test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=4563402752 (85%) messages=0 reverse=no command=quota-warning 85
>> test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=4294967296 (80%) messages=0 reverse=no command=quota-warning 80
>> test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=5368709120 (100%) messages=0 reverse=yes command=quota-warning
>> below test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota grace: root=
>> bytes=536870912 (10%)
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Namespace :
>> type=shared, prefix=shared/%n/, sep=/, inbox=no, hidden=no,
>> list=children, subscriptions=no
>> location=maildir:/var/vmail/%u/Maildir:LAYOUT=fs:DIRNAME=mAildir:INDEX=/var/vmail/test/shared/%u
>>
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: shared:
>> root=/var/run/dovecot, index=, indexpvt=, control=, inbox=, alt=
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl: initializing
>> backend with data: vfile
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl: acl username = test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl: owner = 0
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl vfile: Global
>> ACLs disabled
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Namespace inbox:
>> type=private, prefix=, sep=/, inbox=yes, hidden=no, list=yes,
>> subscriptions=yes
>> location=maildir:/var/vmail/test/Maildir:LAYOUT=fs:DIRNAME=mAildir
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: fs:
>> root=/var/vmail/test/Maildir, index=, indexpvt=, control=, inbox=, alt=
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl: initializing
>> backend with data: vfile
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl: acl username = test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl: owner = 1
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: acl vfile: Global
>> ACLs disabled
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: quota:
>> quota_over_flag check: quota_over_script unset - skipping
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota root: name=
>> backend=maildir args=
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota rule: root=
>> mailbox=? bytes=5368709120 messages=0
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota rule: root=
>> mailbox=Trash bytes=+104857600 messages=0
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=5207647846 (97%) messages=0 reverse=no command=quota-warning 97
>> raw mail user
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=5100273664 (95%) messages=0 reverse=no command=quota-warning 95
>> raw mail user
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=4831838208 (90%) messages=0 reverse=no command=quota-warning 90
>> raw mail user
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=4563402752 (85%) messages=0 reverse=no command=quota-warning 85
>> raw mail user
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=4294967296 (80%) messages=0 reverse=no command=quota-warning 80
>> raw mail user
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota warning:
>> bytes=5368709120 (100%) messages=0 reverse=yes command=quota-warning
>> below raw mail user
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota grace: root=
>> bytes=536870912 (10%)
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: quota:
>> quota_over_flag check: quota_over_script unset - skipping
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Destination address:
>> <test at company.com> (source: -a parameter)
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: Pigeonhole
>> version 0.5.4 () initializing
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: include:
>> sieve_global is not set; it is currently not possible to include
>> `:global' scripts.
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: file storage:
>> Using active Sieve script path: /var/vmail/test/.dovecot.sieve
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: file storage:
>> Using script storage path: /var/vmail/test/sieve
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: file storage:
>> Relative path to sieve storage in active link: sieve/
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: file storage:
>> Using Sieve script path: /var/vmail/test/.dovecot.sieve
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: file storage:
>> Storage path `/var/vmail/test/.dovecot.sieve' not found
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: file storage:
>> Using Sieve script path: /var/lib/dovecot/default.sieve
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: file script:
>> Opened script `default' from `/var/lib/dovecot/default.sieve'
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: Using the
>> following location for user's Sieve script:
>> /var/lib/dovecot/default.sieve
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: Opening script
>> 1 of 1 from `/var/lib/dovecot/default.sieve'
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: Loading script
>> /var/lib/dovecot/default.sieve
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: Script binary
>> /var/lib/dovecot/default.svbin successfully loaded
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: binary save:
>> not saving binary /var/lib/dovecot/default.svbin, because it is
>> already stored
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: sieve: Executing
>> script from `/var/lib/dovecot/default.svbin'
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Mailbox INBOX:
>> Mailbox opened because: lib-lda delivery
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Quota root :
>> Recalculated relative rules with bytes=1400000 count=0. Now grace=140000
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: Debug: Mailbox INBOX: saving
>> UID 0: Opened mail because: mail stream
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: save: box=INBOX, uid=20,
>> msgid=<46e7b334-80a0-3a99-4494-bc6fd07aa3db at external.com>, from=user
>> name <user at external.com>, subject=test
>> Dec 15 13:56:07 mail dovecot:
>> lda(test)<20290><cqPGJOfluWFCTwAA4uZ9mg>: sieve: user at external.com |
>> test | msgid=<46e7b334-80a0-3a99-4494-bc6fd07aa3db at external.com>:
>> stored mail into mailbox 'INBOX'
>> Dec 15 13:56:07 mail postfix/pipe[20088]: 76722819170D6:
>> to=<test at company.com>, relay=dovecot, delay=0.24,
>> delays=0.2/0.02/0/0.03, dsn=2.0.0, status=sent (delivered via dovecot
>> service)
>> Dec 15 13:56:07 mail postfix/qmgr[19577]: 76722819170D6: removed
>
> I would appreciate any help. :-)
>
> Finally, our dovecont -n running-config:
>
>> root at dovecot:# dovecot -n
>> # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf
>> # Pigeonhole version 0.5.4 ()
>> # OS: Linux 4.19.0-17-amd64 x86_64 Debian 10.11 xfs
>> # Hostname: mail.company.com
>> auth_debug = yes
>> auth_failure_delay = 10 secs
>> auth_master_user_separator = *
>> auth_mechanisms = plain login
>> auth_username_format = %Ln
>> auth_verbose = yes
>> auth_verbose_passwords = sha1
>> default_vsz_limit = 512 M
>> deliver_log_format = %f | %s | msgid=%m: %$
>> lda_mailbox_autocreate = yes
>> lda_mailbox_autosubscribe = yes
>> login_greeting = Dovecot ready.
>> login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e
>> %c lport=%a
>> mail_gid = vmail
>> mail_location = maildir:/var/vmail/%Ln/Maildir:LAYOUT=fs:DIRNAME=mAildir
>> mail_plugins = acl lazy_expunge zlib quota mail_log notify
>> mail_shared_explicit_inbox = yes
>> mail_uid = vmail
>> 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 ihave
>> namespace {
>> list = children
>> location =
>> maildir:/var/vmail/%%u/Maildir:LAYOUT=fs:DIRNAME=mAildir:INDEX=/var/vmail/%u/shared/%%u
>>
>> prefix = shared/%%n/
>> separator = /
>> subscriptions = no
>> type = shared
>> }
>> namespace inbox {
>> inbox = yes
>> location = mailbox "Deleted items" {
>> special_use = \Trash
>> }
>> mailbox Drafts {
>> special_use = \Drafts
>> }
>> mailbox Junk {
>> special_use = \Junk
>> }
>> mailbox Sent {
>> special_use = \Sent
>> }
>> mailbox "Sent items" {
>> special_use = \Sent
>> }
>> mailbox Trash {
>> special_use = \Trash
>> }
>> mailbox inbox {
>> auto = subscribe
>> }
>> prefix = separator = /
>> type = private
>> }
>> passdb {
>> args = /etc/dovecot/deny.imap
>> deny = yes
>> driver = passwd-file
>> }
>> passdb {
>> args = /etc/dovecot/master-users
>> driver = passwd-file
>> master = yes
>> }
>> passdb {
>> args = /etc/dovecot/dovecot-ldap.conf.ext
>> driver = ldap
>> result_failure = return-fail
>> }
>> plugin {
>> acl = vfile
>> acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db
>> mail_log_events = delete undelete expunge copy mailbox_delete
>> mailbox_rename append
>> mail_log_fields = uid box msgid from subject
>> quota = maildir
>> quota_rule = ?:storage=5G
>> quota_rule2 = Trash:storage=+100M
>> quota_warning = storage=97%% quota-warning 97 %u
>> quota_warning2 = storage=95%% quota-warning 95 %u
>> quota_warning3 = storage=90%% quota-warning 90 %u
>> quota_warning4 = storage=85%% quota-warning 85 %u
>> quota_warning5 = storage=80%% quota-warning 80 %u
>> quota_warning6 = -storage=100%% quota-warning below %u
>> sieve = ~/.dovecot.sieve
>> sieve_default = /var/lib/dovecot/default.sieve
>> sieve_dir = ~/sieve
>> }
>> protocols = imap lmtp sieve
>> service auth {
>> unix_listener /var/spool/postfix/private/auth {
>> mode = 0666
>> }
>> unix_listener auth-userdb {
>> group = vmail
>> mode = 0666
>> user = vmail
>> }
>> }
>> service imap-login {
>> process_limit = 500
>> process_min_avail = 2
>> }
>> service quota-warning {
>> executable = script /usr/local/bin/quota-warning.sh
>> unix_listener quota-warning {
>> mode = 0666
>> user = vmail
>> }
>> user = vmail
>> }
>> service stats {
>> unix_listener stats-reader {
>> group = vmail
>> mode = 0666
>> user = vmail
>> }
>> unix_listener stats-writer {
>> group = vmail
>> mode = 0666
>> user = vmail
>> }
>> }
>> shutdown_clients = no
>> ssl = required
>> ssl_cert = </etc/ssl/letsencrypt/fullchain.pem
>> ssl_cipher_list =
>> ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
>>
>> ssl_dh = # hidden, use -P to show it
>> ssl_key = # hidden, use -P to show it
>> ssl_min_protocol = TLSv1.2
>> userdb {
>> args = uid=vmail gid=vmail home=/var/vmail/%n allow_all_users=yes
>> driver = static
>> }
>> userdb {
>> args = /etc/dovecot/dovecot-ldap.conf.ext
>> driver = ldap
>> }
>> verbose_proctitle = yes
>> protocol lda {
>> mail_plugins = acl lazy_expunge zlib quota mail_log notify sieve quota
>> }
>> protocol imap {
>> imap_max_line_length = 2 M
>> mail_max_userip_connections = 40
>> mail_plugins = acl lazy_expunge zlib quota mail_log notify
>> imap_quota imap_acl
>> }
>
> Thanks very much for your help!
>
> MJ
--
Christian Mack
Universität Konstanz
Kommunikations-, Informations-, Medienzentrum (KIM)
Abteilung IT-Dienste Forschung und Lehre
78457 Konstanz
+49 7531 88-4416
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