[Dovecot] Feature request

Nikita Koshikov koshikov at gmail.com
Mon Dec 13 09:45:56 EET 2010

On Sat, 11 Dec 2010 10:23:43 -0500
Charles Marcus wrote:

> On 2010-12-11 3:00 AM, Nikita Koshikov wrote:
> > Hello Timo, and all.
> > 
> > Preface:
> > From time to time we have problems with thunderbird. The problem is
> > that mail client begin to sync users inbox (or other folder) and this
> > process didn't stop. Last time we have this situation - our
> > monitoring system shows unusual amount of imap traffic send to one of
> > local hosts. This host was - terminal server and 20 users worked with
> > their mailboxes that time. But normal 20 imap session can't fork that
> > amount of traffic (5.2Gb). After measuring local thunderbird's cached
> > mailboxes we find out that one user have local INBOX about 19Gb and
> > size is rising. On server side - this mailbox was 89Mb. And after
> > killing thunderbird in logs appear:
> Did you already try deleting the local copy of the Inbox?
> Also...
> Dovecot version/doveconf -n output?
The problem has solved. User account was recreated - that helped. 
Also, we have this problem with various  dovecot(starting from 1.2x branch) and various thunderbird releases. I don't think this is dovecot issue. Dovecot works very well.

dovecot -n:

# 1.2.16: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.26-gentoo-r4 i686 Gentoo Base System release 1.12.14 
log_path: /var/log/dovecot/dovecot-error.log
info_log_path: /var/log/dovecot/dovecot.log
protocols: imaps pop3s managesieve
ssl_cert_file: /etc/ssl/dovecot/imaps.crt
ssl_key_file: /etc/ssl/dovecot/imaps.key
login_dir: /var/run/dovecot/login
login_executable(default): /usr/libexec/dovecot/imap-login
login_executable(imap): /usr/libexec/dovecot/imap-login
login_executable(pop3): /usr/libexec/dovecot/pop3-login
login_executable(managesieve): /usr/libexec/dovecot/managesieve-login
login_greeting: Server ready.
login_processes_count(default): 50
login_processes_count(imap): 50
login_processes_count(pop3): 5
login_processes_count(managesieve): 5
login_max_processes_count: 2048
max_mail_processes: 2048
mail_max_userip_connections(default): 25
mail_max_userip_connections(imap): 25
mail_max_userip_connections(pop3): 10
mail_max_userip_connections(managesieve): 10
first_valid_uid: 8
last_valid_uid: 8
first_valid_gid: 12
last_valid_gid: 12
mail_uid: 8
mail_gid: 12
mail_drop_priv_before_exec: yes
mail_executable(default): /usr/libexec/dovecot/imap
mail_executable(imap): /usr/libexec/dovecot/imap
mail_executable(pop3): /usr/libexec/dovecot/pop3
mail_executable(managesieve): /usr/libexec/dovecot/managesieve
mail_plugins(default): quota imap_quota trash expire zlib autocreate virtual antispam
mail_plugins(imap): quota imap_quota trash expire zlib autocreate virtual antispam
mail_plugins(pop3): quota virtual
mail_plugin_dir(default): /usr/lib/dovecot/imap
mail_plugin_dir(imap): /usr/lib/dovecot/imap
mail_plugin_dir(pop3): /usr/lib/dovecot/pop3
mail_plugin_dir(managesieve): /usr/lib/dovecot/managesieve
mail_log_prefix: %Us(%u %r): 
imap_client_workarounds(default): delay-newmail
imap_client_workarounds(imap): delay-newmail
pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh
  type: private
  separator: /
  location: maildir:~/data
  inbox: yes
  list: yes
  subscriptions: yes
  type: private
  separator: /
  prefix: Company/
  location: virtual:/var/mail/virtual:INDEX=MEMORY:LAYOUT=maildir++
  hidden: yes
  list: yes
  postmaster_address: postmaster at agromat.ua
  hostname: mail.agromat.ua
  mail_plugins: quota trash expire sieve virtual
  quota_full_tempfail: yes
  sendmail_path: /usr/sbin/sendmail
  auth_socket_path: /var/run/dovecot/auth-master
  log_path: /var/log/dovecot/dovecot-deliver.log
  info_log_path: /var/log/dovecot/dovecot-deliver.log
auth default:
  mechanisms: plain login
  default_realm: agromat.ua
  cache_size: 5120
  cache_ttl: 900
  cache_negative_ttl: 0
  user: dovecot_auth
  username_format: %Lu
  master_user_separator: *
  worker_max_count: 50
    driver: passwd-file
    args: /etc/dovecot/passdb/master.pwd
    master: yes
    driver: passwd-file
    args: /etc/dovecot/passdb/users.pwd
    driver: ldap
    args: /etc/dovecot/dovecot-ldap.conf
    driver: prefetch
    driver: passwd-file
    args: /etc/dovecot/passdb/users.pwd
    driver: ldap
    args: /etc/dovecot/dovecot-userdb-ldap.conf
    type: listen
      path: /var/run/dovecot/auth-client
      mode: 432
      user: mail
      group: dovecot_auth
      path: /var/run/dovecot/auth-master
      mode: 384
      user: mail
      group: mail
  quota_warning: storage=90%% /etc/dovecot/plugins/quota_warning.sh 90
  quota: maildir:Mailbox quota
  quota_rule: *:storage=750M
  quota_rule2: Trash:storage=10%%
  trash: /etc/dovecot/plugins/dovecot-trash.conf
  expire: Trash 30 Spam 30
  expire_dict: proxy::expire
  autocreate: Drafts
  autocreate2: Sent
  autocreate3: Spam
  autocreate4: Trash
  autosubscribe: Drafts
  autosubscribe2: Sent
  autosubscribe3: Spam
  autosubscribe4: Trash
  sieve: ~/.dovecot.sieve
  sieve_dir: ~/sieve
  sieve_after: /etc/dovecot/sieve/default-after.sieve
  sieve_extensions: +notify +spamtest
  sieve_spamtest_status_type: score
  sieve_spamtest_status_header: X-Spam-Scan-Score
  sieve_spamtest_max_value: 10
  antispam_trash: Trash
  antispam_spam: Spam
  antispam_allow_append_to_spam: no
  antispam_mail_sendmail: /etc/dovecot/plugins/spam.sh
  antispam_mail_sendmail_args: -u mail
  antispam_mail_spam: --spam
  antispam_mail_notspam: --ham
  antispam_mail_tmpdir: /tmp
  expire: sqlite:/etc/dovecot/plugins/expire.conf

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