[Dovecot] Dsync fails on second sync for folders with dot in the name

[Jan-Frode Myklebust]

On Mon, Jan 02, 2012 at 09:51:00AM -0500, Charles Marcus wrote:
> 
> dovecot -n output? What are you using for the namespace hierarchy separator?

I have the folder format default separator (maildir "."), but still dovecot creates 
directories named ".a.b".

On receiving dsync server:
=====================================================================
$ dovecot -n
# 2.0.14: /etc/dovecot/dovecot.conf
mail_location = mdbox:~/mdbox
mail_plugins = zlib
mdbox_rotate_size = 5 M
passdb {
  driver = static
}
plugin {
  zlib_save = gz
  zlib_save_level = 9
}
protocols = 
service auth-worker {
  user = $default_internal_user
}
service auth {
  unix_listener auth-userdb {
    mode = 0600
    user = mailbackup
  }
}
ssl = no
userdb {
  args = home=/srv/mailbackup/%256Hu/%d/%n
  driver = static
}


On POP/IMAP-server:


=====================================================================
$ doveconf -n
# 2.0.14: /etc/dovecot/dovecot.conf
auth_cache_size = 100 M
auth_verbose = yes
auth_verbose_passwords = sha1
disable_plaintext_auth = no
login_trusted_networks = 192.168.0.0/16
mail_gid = 3000
mail_location = maildir:~/:INDEX=/indexes/%1u/%1.1u/%u
mail_plugins = quota zlib
mail_uid = 3000
maildir_stat_dirs = yes
maildir_very_dirty_syncs = yes
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
mmap_disable = yes
namespace {
  inbox = yes
  location = 
  prefix = INBOX.
  type = private
}
passdb {
  args = /etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
plugin {
  quota = maildir:UserQuota
  sieve = /sieve/%1u/%1.1u/%u/.dovecot.sieve
  sieve_dir = /sieve/%1u/%1.1u/%u
  sieve_max_script_size = 1M
  zlib_save = gz
  zlib_save_level = 6
}
postmaster_address = postmaster at example.net
protocols = imap pop3 lmtp sieve
service auth-worker {
  user = $default_internal_user
}
service auth {
  client_limit = 4521
  unix_listener auth-userdb {
    group = 
    mode = 0600
    user = atmail
  }
}
service imap-login {
  inet_listener imap {
    address = *
    port = 143
  }
  process_min_avail = 4
  service_count = 0
  vsz_limit = 1 G
}
service imap-postlogin {
  executable = script-login /usr/local/sbin/imap-postlogin.sh
}
service imap {
  executable = imap imap-postlogin
  process_limit = 2048
}
service lmtp {
  client_limit = 1
  inet_listener lmtp {
    address = *
    port = 24
  }
  process_limit = 25
}
service managesieve-login {
  inet_listener sieve {
    address = *
    port = 4190
  }
  service_count = 1
}
service pop3-login {
  inet_listener pop3 {
    address = *
    port = 110
  }
  process_min_avail = 4
  service_count = 0
  vsz_limit = 1 G
}
service pop3-postlogin {
  executable = script-login /usr/local/sbin/pop3-postlogin.sh
}
service pop3 {
  executable = pop3 pop3-postlogin
  process_limit = 2048
}
ssl = no
userdb {
  args = /etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
protocol lmtp {
  mail_plugins = quota zlib sieve
}
protocol imap {
  imap_client_workarounds = delay-newmail
  mail_plugins = quota zlib imap_quota
}
protocol pop3 {
  mail_plugins = quota zlib
  pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
  pop3_uidl_format = UID%u-%v
}
protocol sieve {
  managesieve_logout_format = bytes=%i/%o
}



  -jf