quota warnings not sent out anymore

mj lists at merit.unu.edu
Wed Dec 15 15:00:55 UTC 2021


Hi Christian,

Thanks for replying!

It seems that your comments (or perhaps some of my recent config 
tinkering) helped, because once I tried just now to make it go from 89% 
to 91%, and I did receive the quota warning!

Thanks!

MJ

Op 15-12-2021 om 15:23 schreef Christian Mack:
> 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
> 
> 


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