dovecot - Apr 2013 - Multiple Logins on same accounts from different stations, RE-POSTING

Sorry List,
I am reposting with dovecot -n
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Hi, all
I've recently upgraded to 2.1.16 and found my self in deep ....

There are 4 accounts in my setup that need to be accessed simultaneously 
by 5-6 PCs on a local lan.

The thing is if a user A updates, deletes, flags mail messages in the 
imap folders the changes don't get propagated to the other
mail clients.

To state this clearly,
PC (A) thunderbird has an account SALES, Maildir etc
PC (B) thunderbird also has the SALES account.

Changes from PC (A) and vice-versa   like marks,deletes, or moves mails 
around will randomly get propagated to PC (B)
Sometimes they do sometimes they don't.
This never occured with previous version 1.2.xx

I am attaching my doveconf -a output ..
Please Help,
Thanks in advance
Harry
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Thanks





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# 2.1.16 (b63f87ed9311): /etc/dovecot/dovecot.conf
# OS: Linux 2.6.24-11-pve x86_64 Debian 6.0.7 
default_process_limit = 256
hostname = mail.mydomain.tld
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
mail_location = maildir:~/Maildir
mail_max_userip_connections = 120
mail_plugins = autocreate acl fts fts_solr zlib mail_log notify
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 {
  inbox = no
  location =
maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u:CONTROL=~/Maildir/shared/%%u/control
  prefix = Shared/%%u/
  separator = /
  subscriptions = no
  type = shared
}
namespace {
  location = maildir:/var/mail/public:INDEX=~/Maildir/public
  prefix = Public/
  separator = /
  subscriptions = no
  type = public
}
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 = 
  separator = /
  type = private
}
passdb {
  driver = pam
}
plugin {
  acl = vfile
  acl_anyone = allow
  acl_shared_dict = file:/var/dovecot/shared-mailboxes.db
  antispam_backend = pipe
  antispam_mail_notspam = --forget
  antispam_mail_sendmail = /usr/local/bin/sa-learn-pipe.sh
  antispam_mail_spam = --spam
  antispam_mail_tmpdir = /tmp
  antispam_spam = SPAM
  antispam_spam_pattern = SPAM
  antispam_spam_pattern_ignorecase = SPAM
  antispam_trash_pattern_ignorecase = trash;Deleted *
  auth_socket_path = /var/run/dovecot/auth-master
  autocreate = Spam
  autosubscribe = Public/info
  fts = solr
  fts_solr = url=http://10.0.173.34:8080/solr_srv/dovecot/ break-imap-search
  mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
flag_change save mailbox_create
  sieve = ~/.dovecot.sieve
  sieve_dir = ~/sieve
  zlib_save = gz
  zlib_save_level = 8
}
postmaster_address = grharry at mydomain.tld
protocols = " imap lmtp sieve"
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = postfix
    mode = 0666
    user = postfix
  }
  unix_listener auth-userdb {
    group = vmail
    mode = 0666
  }
}
service imap-login {
  inet_listener imaps {
    port = 993
    ssl = yes
  }
  service_count = 0
}
service pop3-login {
  service_count = 0
}
ssl_cert = </etc/dovecot/dovecot.pem
ssl_key = </etc/dovecot/private/dovecot.pem
userdb {
  driver = passwd
}
protocol imap {
  imap_client_workarounds = tb-extra-mailbox-sep tb-lsub-flags
  mail_max_userip_connections = 120
  mail_plugins = autocreate acl fts fts_solr zlib mail_log notify imap_acl
antispam
}

On 18.4.2013, at 20.08, HL <freemail.grharry at gmail.com>
wrote:
> I've recently upgraded to 2.1.16 and found my self in deep ....
> 
> There are 4 accounts in my setup that need to be accessed simultaneously by
5-6 PCs on a local lan.
> 
> The thing is if a user A updates, deletes, flags mail messages in the imap
folders the changes don't get propagated to the other
> mail clients.
> 
> To state this clearly,
> PC (A) thunderbird has an account SALES, Maildir etc
> PC (B) thunderbird also has the SALES account.
> 
> Changes from PC (A) and vice-versa   like marks,deletes, or moves mails
around will randomly get propagated to PC (B)
> Sometimes they do sometimes they don't.
> This never occured with previous version 1.2.xx
Do you mean that the 4 people are using 1 shared account, or do you mean 4
different user accounts are accessing a shared folder (via shared/public
namespace)?

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On Thu, 18 Apr 2013, HL wrote:
> There are 4 accounts in my setup that need to be accessed simultaneously by
> 5-6 PCs on a local lan.
>
> The thing is if a user A updates, deletes, flags mail messages in the imap 
> folders the changes don't get propagated to the other
> mail clients.
>
> To state this clearly,
> PC (A) thunderbird has an account SALES, Maildir etc
> PC (B) thunderbird also has the SALES account.
We had similiar problem with Dovecot. I have a mail account shared by 3 
users, which communicate with labels/keywords/flags with each other, what 
to do with the message, until it is moved to "done" eventually. Even
the
new and replied status was not shared with a running Thunderbird. Telnet 
and non-caching MUAs showed the changed status fine, hence, it was a 
problem TB getting the changes.

I never pinpointed the problem, never got errors in TB or Dovecot, but 
after I replaced TB with another, newer version and re-created the profile 
anew, the problem went away.

Those three users definitly never changed the TB configuration themselves 
:-) so I really suspect some problem with the cache of TB.

- -- 
Steffen Kaiser
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