dovecot - Aug 2014 - Dovecot, Thunderbird and messages in wrong folder

Hello,

Sometimes it happens that messages (e.g. one or two) appear in wrong 
folders in Thunderbird (latest version, also past versions, different 
computers, also Earlybird). When I repair the folder 
(folder/Settings/Repair Folder) in Thunderbird, the folder is correct then.

It happens on my new server with Fedora 20, Dovecot 2.2.13 and Maildir 
but it also happened on my old server with Fedora 1, Dovecot 2.2.13 and 
mbox.

Has anyone the same issue?
Any guess whether it might be a thunderbird or dovecot issue?
Anyone has the same issues with thunderbird and a different IMAP server 
(e.g. cyrus)?

Thank you.

Ciao,
Gerhard

Config (only relevant parts here):
# 2.2.13: /etc/dovecot/dovecot.conf
# OS: Linux 3.15.8-200.fc20.x86_64 x86_64 Fedora release 20 (Heisenbug)
auth_mechanisms = plain login
lda_mailbox_autocreate = yes
listen = *
mail_gid = vmail
mail_home = /home/vmail/%n
mail_location = maildir:~/Maildir
mail_max_userip_connections = 20
mail_plugins = " stats mailbox_alias zlib"
mail_uid = vmail
protocols = imap lmtp sieve
service imap-login {
   inet_listener imap {
     port = 0
   }
   process_min_avail = 2
   service_count = 0
}
service imap {
   client_limit = 20
   executable = imap postlogin
   process_limit = 20
}
service lmtp {
   inet_listener lmtp {
     port = 24
   }
   process_min_avail = 2
}
service managesieve-login {
   process_min_avail = 1
}
service postlogin {
   executable = script-login -d rawlog
}
service stats {
   fifo_listener stats-mail {
     mode = 0600
     user = vmail
   }
}
ssl_cert = </etc/pki/dovecot/imap.crt
ssl_key = </etc/pki/dovecot/imap.key
submission_host = 127.0.0.1
userdb {
   args = username_format=%n /etc/dovecot/users
   driver = passwd-file
}
protocol imap {
   imap_client_workarounds = tb-extra-mailbox-sep
   mail_plugins = " stats mailbox_alias zlib imap_stats imap_zlib"
}
protocol lmtp {
   mail_plugins = " stats mailbox_alias zlib sieve"
}

Am 08.08.2014 um 07:34 schrieb Gerhard Wiesinger:
> Sometimes it happens that messages (e.g. one or two) appear in wrong
folders in Thunderbird (latest version, also
> past versions, different computers, also Earlybird). When I repair the
folder (folder/Settings/Repair Folder) in
> Thunderbird, the folder is correct then.
> 
> It happens on my new server with Fedora 20, Dovecot 2.2.13 and Maildir but
it also happened on my old server with
> Fedora 1, Dovecot 2.2.13 and mbox.
> 
> Has anyone the same issue?
> Any guess whether it might be a thunderbird or dovecot issue?
> Anyone has the same issues with thunderbird and a different IMAP server
(e.g. cyrus)?
it's a TB problem and happens with dbmail-imapd too from time to time

in fact similar things are happening for sure with Apple Mail and
i would say in the one or another form it affects all clients
with local caches which had to deal with connection troubles, program
crashes or power outages at the wrong moment and my expierience shows
that folders/accounts with a desktop MUA, 2 smartphones and a tablet
are more likely affected

"repair folder" rebuilds the .msf file

once per year i stop TB and remove all .msf files from my profile
interesting what like unfinished drafts and such things sometime appear :-)


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