Plugin virtual, Horde BAD IMAP QRESYNC not enabled

Jakob Schürz wertstoffe at nurfuerspam.de
Wed Nov 15 12:51:32 EET 2017


Hi there!

This is the horde-imap. Hope this helps more to find out, what's the 
problem with QRESYNC and dovecots virtual-plugin

------------------------------
 >> Wed, 15 Nov 2017 08:45:21 +0000
 >> Connection to: imap://aldebaran.local/ Server connection took 0,0031
 >> seconds.
S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE 
IDLE XDOVECOT STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=CRAM-MD5 
AUTH=DIGEST-MD5] Dovecot ready.
C: 1 [AUTHENTICATE response (username: jakob)]
S: + PDQzMjM5OTUxOTUyNTgxNzYuMTUxMDczNTUyMUBhbGRlYmFyYW4+
C: amFrb2IgYzlkYWZiNGEzNDE1ZGJkZjRlNjIwNzUzMDYxM2QxMmQ=
S: 1 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE 
IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS 
THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN 
NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH 
ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE XDOVECOT 
SPECIAL-USE QUOTA ACL RIGHTS=texk] Logged in
 >> Command 1 took 0,0146 seconds.
 >> CACHE: Using the Horde_Imap_Client_Cache_Backend_Cache storage driver.
C: 2 ENABLE QRESYNC
C: 3 SELECT Virtual$Alle
S: * ENABLED QRESYNC
S: 2 OK Enabled (0.000 + 0.000 secs).
 >> Command 2 took 0,0002 seconds.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft unknown-0 unknown-1 
unknown-2 unknown-3 unknown-5 unknown-4 unknown-6 unknown-7 unknown-8 
unknown-9 unknown-11 unknown-10 unknown-14 unknown-15 unknown-12 NonJunk 
unknown-13 unknown-16 unknown-21 unknown-17 unknown-19 unknown-23 
unknown-20 unknown-22 unknown-18 unknown-24 unknown-25)
S: * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft 
unknown-0 unknown-1 unknown-2 unknown-3 unknown-5 unknown-4 unknown-6 
unknown-7 unknown-8 unknown-9 unknown-11 unknown-10 unknown-14 
unknown-15 unknown-12 NonJunk unknown-13 unknown-16 unknown-21 
unknown-17 unknown-19 unknown-23 unknown-20 unknown-22 unknown-18 
unknown-24 unknown-25 \*)] Flags permitted.
S: * 43507 EXISTS
S: * 1 RECENT
S: * OK [UNSEEN 20448] First unseen.
S: * OK [UIDVALIDITY 1510698551] UIDs valid
S: * OK [UIDNEXT 49827] Predicted next UID
S: * OK [HIGHESTMODSEQ 723] Highest
S: 3 OK [READ-WRITE] Select completed (0.000 + 0.000 secs).
 >> Command 3 took 1,4967 seconds.
 >> CACHE: Stored metadata (_m,uidvalid [Virtual$Alle])
C: 4 NAMESPACE
S: * NAMESPACE (("INBOX$" "$")("Virtual$" "$")("Mailarchiv$" "$")) 
(("shared$" "$")) (("Roseggergasse$" "$"))
S: 4 OK Namespace completed (0.000 + 0.000 secs).
 >> Command 4 took 0,0004 seconds.
C: 5 UID FETCH 43543 (ENVELOPE)
S: * 37224 FETCH (UID 43543 ENVELOPE ("Wed, 15 Nov 2017 00:10:24 +0100" 
"Plugin virtual, Horde BAD IMAP QRESYNC not enabled" 
(("=?UTF-8?Q?Jakob_Sch=c3=bcrz?=" NIL "wertstoffe" "nurfuerspam.de")) 
(("=?UTF-8?Q?Jakob_Sch=c3=bcrz?=" NIL "wertstoffe" "nurfuerspam.de")) 
(("=?UTF-8?Q?Jakob_Sch=c3=bcrz?=" NIL "wertstoffe" "nurfuerspam.de")) 
((NIL NIL "dovecot" "dovecot.org")) NIL NIL NIL 
"<3da0743d-74a8-5f06-faf7-4909214ea976 at nurfuerspam.de>"))
S: 5 OK Fetch completed (0.001 + 0.000 secs).
 >> Command 5 took 0,0021 seconds.
 >> CACHE: Stored messages [Virtual$Alle; 43543]
 >> CACHE: Retrieved messages (HICstruct,HICdg [Virtual$Alle; 43543])
C: 6 UID FETCH 43543 (BODYSTRUCTURE)
S: * 37224 FETCH (UID 43543 BODYSTRUCTURE (("application" 
"pgp-encrypted" NIL NIL "PGP/MIME version identification" "7bit" 12 NIL 
NIL NIL NIL)("application" "octet-stream" ("name" "encrypted.asc") NIL 
"OpenPGP encrypted message" "7bit" 5081 NIL ("inline" ("filename" 
"encrypted.asc")) NIL NIL) "encrypted" ("protocol" 
"application/pgp-encrypted" "boundary" 
"eMatq9f6Lg0pepTtPTDNXeNsoOg7mLskm") NIL NIL NIL))
S: 6 OK Fetch completed (0.001 + 0.000 secs).
 >> Command 6 took 0,0039 seconds.
 >> CACHE: Stored messages [Virtual$Alle; 43543]
C: 7 UID FETCH 43543 (BODY[HEADER])
S: * 37224 FETCH (UID 43543 BODY[HEADER] {728}
FCC: imap://jakob@localhost/INBOX/Sent
X-Identity-Key: id7
X-Account-Key: account1
To: dovecot at dovecot.org
From: =?UTF-8?Q?Jakob_Sch=c3=bcrz?= <wertstoffe at nurfuerspam.de>
Subject: Plugin virtual, Horde BAD IMAP QRESYNC not enabled
X-Enigmail-Draft-Status: N1110
Message-ID: <3da0743d-74a8-5f06-faf7-4909214ea976 at nurfuerspam.de>
Date: Wed, 15 Nov 2017 00:10:24 +0100
X-Mozilla-Draft-Info: internal/draft; vcard=0; receipt=0; DSN=0; 
uuencode=0;  attachmentreminder=0; deliveryformat=4
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
  Thunderbird/52.4.0
MIME-Version: 1.0
Content-Type: multipart/encrypted;
  protocol="application/pgp-encrypted";
  boundary="eMatq9f6Lg0pepTtPTDNXeNsoOg7mLskm"

S: )
S: 7 OK Fetch completed (0.001 + 0.000 secs).
 >> Command 7 took 0,0013 seconds.
C: 8 UID FETCH 43543 (BINARY.PEEK[1])
 >> ERROR: read/timeout error.
 >> ERROR: Server closed the connection.
 >> Connection to: imap://aldebaran.local/ Server connection took 0,002
 >> seconds.
S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE 
IDLE XDOVECOT STARTTLS AUTH=PLAIN AUTH=LOGIN AUTH=CRAM-MD5 
AUTH=DIGEST-MD5] Dovecot ready.
C: 9 [AUTHENTICATE response (username: jakob)]
S: + PDYzNDg5MDI0MjIxMzIwNTUuMTUxMDczNTUyM0BhbGRlYmFyYW4+
C: amFrb2IgZGIxMzA2OTE3MDE4MDY1MGY4NWEyMGI5ZGEwOTRkNWM=
S: 9 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE 
IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS 
THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN 
NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH 
ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE XDOVECOT 
SPECIAL-USE QUOTA ACL RIGHTS=texk] Logged in
 >> Command 9 took 0,0126 seconds.
C: 10 SELECT Virtual$Alle (QRESYNC (1510698551 723 43543))
S: 10 BAD Error in IMAP command SELECT: QRESYNC not enabled (0.000 + 
0.000 secs).
 >> Command 10 took 0,0002 seconds.
 >> CACHE: Retrieved messages (HICenv,HICdg [Virtual$Alle; 43543])


Best whishes

Jakob

Am 15.11.2017 um 01:46 schrieb Michael Slusarz:
> Probably better to get the full protocol debug log from the Horde/IMP side.  Instructions on how to enable that can be found in imp/config/backends.php. See:
> https://github.com/horde/imp/blob/master/config/backends.php#L288
> 
> rawlog output below only shows what Dovecot is returning - would be more useful to see the entire client round-trip transactions however.
> 
> 
>> On November 14, 2017 at 4:15 PM Jakob Schürz <wertstoffe at nurfuerspam.de> wrote:
>>
>>
>> Hi there!
>>
>> I'm new on this list, so hello to all!
>> First i want say, that dovecot is a really great mailserver. I use it
>> since many years for my private usecase. I'm planning to setup a new
>> Mailserver, so i'm fiddeling around to understand dovecot better and get
>> a "perfect" Mailserver. (Linux and Win10) Outlook, k9mail and the
>> gmail-app on android.
>>
>> I want to leave google behind me, so i'm searching for a good server for
>> cloudbased  and selfhosted calendar- and addressbook-server.
>> On some discussion in debianforum.de i got the hint, to use horde.
>>
>> So i installed horde from pear. Got ActiveSync working with the Android
>> and Outlook. Mails, Calendar and Addressbook... very fine.
>>
>> But then i run into a gotcha.
>>
>> There is a problem  with some mails in dovecots virtual mailboxes.
>> I tried a lot to find out, how to debug this. First i thought, it's a
>> problem from horde, because the problem is only with horde-client.
>>
>> Some Emails are not shown in horde. Exactly, they are not shown in horde
>> on dovecots virtual mailboxes (plugin virtual in a separate virtual
>> namespace)
>> If i try to open this email in its original directory, it gets opened
>> without any problem.
>>
>> So, when i try to open it from within the virtual mailbox, i get this error:
>> ---8<------
>> Nov 14 23:29:52 aldebaran dovecot[2495]: imap(jakob): Panic: file
>> index-mail-binary.c: line 586 (index_mail_get_binary_stream): assertion
>> failed: (mail->data.stream != NULL)
>> Nov 14 23:29:52 aldebaran dovecot[2495]: imap(jakob): Error: Raw
>> backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x95272) [0x7f671137e272]
>> -> /usr/lib/dovecot/libdovecot.so.0(+0x9536d) [0x7f671137e36d] ->
>> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f6711314951] ->
>> /usr/lib/dovecot/libdovecot-storage.so.0(index_mail_get_binary_stream+0x238)
>> [0x7f67116b3de8] ->
>> /usr/lib/dovecot/libdovecot-storage.so.0(mail_get_binary_stream+0x60)
>> [0x7f6711640fa0] ->
>> /usr/lib/dovecot/libdovecot-storage.so.0(imap_msgpart_open+0x139)
>> [0x7f67116f40f9] -> dovecot/imap [jakob 192.168.0.14 UID
>> FETCH](+0x1ebbc) [0x55bef3095bbc] -> dovecot/imap [jakob 192.168.0.14
>> UID FETCH](+0x1cfb6) [0x55bef3093fb6] -> dovecot/imap [jakob
>> 192.168.0.14 UID FETCH](imap_fetch_more+0x39) [0x55bef30950e9] ->
>> dovecot/imap [jakob 192.168.0.14 UID FETCH](cmd_fetch+0x33b)
>> [0x55bef3086d9b] -> dovecot/imap [jakob 192.168.0.14 UID
>> FETCH](command_exec+0xa5) [0x55bef3092735] -> dovecot/imap [jakob
>> 192.168.0.14 UID FETCH](+0x199c2) [0x55bef30909c2] -> dovecot/imap
>> [jakob 192.168.0.14 UID FETCH](+0x19a4c) [0x55bef3090a4c] ->
>> dovecot/imap [jakob 192.168.0.14 UID FETCH](client_handle_input+0x1b5)
>> [0x55bef3090e55] -> dovecot/imap [jakob 192.168.0.14 UID
>> FETCH](client_input+0x86) [0x55bef30913c6] ->
>> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x52) [0x7f6711392dd2]
>> -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x109)
>> [0x7f6711394409] ->
>> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x3c)
>> [0x7f6711392e6c] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
>> [0x7f6711393018] ->
>> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
>> [0x7f671131ae93] -> dovecot/imap [jakob 192.168.0.14 UID
>> FETCH](main+0x328) [0x55bef3083e68] ->
>> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7f6710f6a2b1]
>> -> dovecot/imap [jakob 192.168.0.14 UID FETCH](_start+0x2a) [0x55bef3083fea]
>> Nov 14 23:29:52 aldebaran dovecot[2495]: imap(jakob): Fatal: master:
>> service(imap): child 2704 killed with signal 6 (core dumps disabled)
>> ---8<------
>>
>> So i activated rawlog as after-login executeable. The IMAP-dialog when
>> opening this email is:
>> ---8<------
>> 9 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE
>> IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS
>> THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN
>> NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH
>> ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE XDOVECOT
>> SPECIAL-USE QUOTA ACL RIGHTS=texk] Logged in
>> 10 BAD Error in IMAP command SELECT: QRESYNC not enabled (0.000 + 0.000
>> secs).
>> 11 OK No quota (0.000 + 0.000 secs).
>> ---8<------
>>
>> If found only one Report for this problem, but on regular imap-folders,
>> and there was not really a solution. This report is from 2015.
>> On regular folders, i have no problem with this emails, only on virtual
>> folders.
>> So i think, it is a problem of the virtual-plugin.
>>
>> Here is one of this failing emails:
>>
>> ---8<------
>> Return-path: <jakob at mydomain.example>
>> Envelope-to: jakob at mydomain.example
>> Delivery-date: Mon, 13 Nov 2017 09:23:52 +0100
>> Received: from 1.2.3.4.wireless.dyn.drei.com ([1.2.3.4] helo=marketingnh)
>> 	by mydomain.example with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
>> 	(Exim 4.89)
>> 	(envelope-from <jakob at mydomain2.example>)
>> 	id 1eEA24-0002AR-IW
>> 	for jakob at mydomain.example; Mon, 13 Nov 2017 09:23:52 +0100
>> From: Microsoft Outlook <jakob at mydomain.example>
>> To: =?utf-8?B?SmFrb2J1cyBTY2jDvHJ6?= <jakob at mydomain.example>
>> MIME-Version: 1.0
>> Content-Type: text/html;
>>      charset="utf-8"
>> Content-Transfer-Encoding: 8bit
>> Message-Id: <E1eEA24-0002AR-IW at mydomain.example>
>> Date: Mon, 13 Nov 2017 09:23:52 +0100
>> X-SA-Exim-Connect-IP: 178.114.188.235
>> X-SA-Exim-Mail-From: jakob at mydomain.example
>> X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on aldebaran
>> X-Spam-Level:
>> X-Spam-Status: No, score=0.7 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE,
>> 	HTML_MIME_NO_HTML_TAG,MIME_HTML_ONLY,TVD_RCVD_IP autolearn=no
>> 	autolearn_force=no version=3.4.1
>> Subject: =?utf-8?B?TWljcm9zb2Z0IE91dGxvb2stVGVzdG5hY2hyaWNodA==?=
>> X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000)
>> X-SA-Exim-Scanned: Yes (on aldebaran.mydomain.example)
>>
>> Diese E-Mail-Nachricht wurde von Microsoft Outlook automatisch während
>> des Testens der Kontoeinstellungen gesendet.
>> ---8<------
>>
>> my dovecot-config is:
>>
>> ---8<------
>> # dovecot -n
>> # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf
>> # Pigeonhole version 0.4.16 (fed8554)
>> # OS: Linux 4.13.0-trunk-amd64 x86_64 Debian 9.1 btrfs
>> auth_mechanisms = plain login cram-md5 digest-md5
>> auth_socket_path = /var/run/dovecot/auth-userdb
>> first_valid_uid = 1000
>> imap_capability = +XDOVECOT
>> imap_client_workarounds = tb-extra-mailbox-sep
>> lda_mailbox_autocreate = yes
>> lda_mailbox_autosubscribe = yes
>> listen = *, ::1
>> login_trusted_networks = 127.0.0.1/8 192.168.0.0/24 192.168.1.0/24
>> 172.17.0.0/24 172.18.0.0/24
>> mail_debug = yes
>> mail_gid = vmail
>> mail_home =  /var/mail/%u
>> mail_location =
>> maildir:/var/mail/%u/Maildir:LAYOUT=fs:INDEX=/var/lib/dovecot/db/indexes/Maildir/%u:CONTROL=/var/lib/dovecot/db/control/Maildir/%u
>> mail_plugins = zlib quota acl listescape mail_log notify virtual
>> mail_privileged_group = vmail
>> mail_server_admin = mailto:jakob at xundeenergie.at
>> 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 index ihave duplicate mime foreverypart extracttext
>> mmap_disable = yes
>> namespace {
>>    hidden = no
>>    ignore_on_failure = no
>>    inbox = no
>>    list = children
>>    location =
>> maildir:/var/mail/%%u/Maildir:LAYOUT=fs:INDEX=/var/lib/dovecot/db/indexes/%u/shared/%%u:INDEXPVT=/var/lib/dovecot/db/indexes/%u/shared/%%u
>>    prefix = shared$%%u$
>>    separator = $
>>    subscriptions = no
>>    type = shared
>> }
>> namespace {
>>    hidden = no
>>    inbox = no
>>    list = children
>>    location =
>> maildir:/var/mail/mailarchiv/%u/:LAYOUT=fs:INDEX=/var/lib/dovecot/db/indexes/%u/mailarchiv:INDEXPVT=/var/lib/dovecot/db/indexes/%u/mailarchiv
>>    mailbox incoming {
>>      auto = create
>>    }
>>    mailbox outgoing {
>>      auto = create
>>    }
>>    prefix = Mailarchiv$
>>    separator = $
>>    subscriptions = no
>>    type = public
>> }
>> namespace {
>>    list = children
>>    location =
>> maildir:/var/mail/public/:LAYOUT=fs:INDEX=/var/lib/dovecot/db/indexes/public/%u:INDEXPVT=/var/lib/dovecot/db/indexes/public/%u
>>    prefix = Roseggergasse$
>>    separator = $
>>    subscriptions = no
>>    type = public
>> }
>> namespace Virtual {
>>    hidden = no
>>    list = children
>>    location =
>> virtual:/var/mail/virtual:INDEX=/var/lib/dovecot/db/indexes/virtual/%u:INDEXPVT=/var/lib/dovecot/db/indexes/virtual/%u
>>    mailbox "Deleted Messages" {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Drafts {
>>      auto = no
>>      special_use = \Drafts
>>    }
>>    mailbox Entwürfe {
>>      auto = no
>>      special_use = \Drafts
>>    }
>>    mailbox "Gelöschte Elemente" {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox "Gelöschte Objekte" {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Gesendet {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox "Gesendete Elemente" {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox "Gesendete Objekte" {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox Mistkübel {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Papierkorb {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Sent {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox "Sent Messages" {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox Trash {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Virtual$Alle {
>>      comment = All my messages
>>    }
>>    mailbox Virtual$Markierte {
>>      comment = All my unread messages
>>    }
>>    mailbox "Virtual$Neue Mails" {
>>      comment = All my unread messages
>>    }
>>    mailbox "Virtual$Ungelesene Mails" {
>>      comment = All my unread messages
>>    }
>>    prefix = Virtual$
>>    separator = $
>>    subscriptions = no
>> }
>> namespace inbox {
>>    hidden = no
>>    inbox = yes
>>    location =
>>    mailbox Archiv {
>>      auto = no
>>      special_use = \Archive
>>    }
>>    mailbox Archive {
>>      auto = no
>>      special_use = \Archive
>>    }
>>    mailbox Archives {
>>      auto = no
>>      special_use = \Archive
>>    }
>>    mailbox "Deleted Messages" {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Drafts {
>>      auto = no
>>      special_use = \Drafts
>>    }
>>    mailbox Entwürfe {
>>      auto = no
>>      special_use = \Drafts
>>    }
>>    mailbox "Gelöschte Elemente" {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox "Gelöschte Objekte" {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Gesendet {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox "Gesendete Elemente" {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox "Gesendete Objekte" {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox Important {
>>      auto = no
>>    }
>>    mailbox Junk {
>>      auto = subscribe
>>      autoexpunge = 30 days
>>      special_use = \Junk
>>    }
>>    mailbox Mistkübel {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Papierkorb {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Sent {
>>      auto = subscribe
>>      special_use = \Sent
>>    }
>>    mailbox "Sent Messages" {
>>      auto = no
>>      special_use = \Sent
>>    }
>>    mailbox Spam {
>>      auto = no
>>      special_use = \Junk
>>    }
>>    mailbox Trash {
>>      auto = no
>>      special_use = \Trash
>>    }
>>    mailbox Wichtig {
>>      auto = create
>>    }
>>    prefix = INBOX$
>>    separator = $
>>    subscriptions = no
>> }
>> namespace subscriptions {
>>    hidden = yes
>>    list = no
>>    location =
>>    prefix =
>>    subscriptions = yes
>> }
>> passdb {
>>    args = scheme=CRYPT username_format=%u /etc/dovecot/users
>>    driver = passwd-file
>> }
>> plugin {
>>    acl = vfile:/etc/dovecot/dovecot-acl:cache_secs=300
>>    acl_anyone = allow
>>    acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db
>>    fts =  lucene
>>    fts_autoindex =  yes
>>    fts_autoindex_max_recent_msgs =  80
>>    fts_decoder =  decode2text.sh
>>    fts_index_timeout =  90
>>    fts_lucene =  whitespace_chars=@. normalize no_snowball
>>    mail_home =  /var/mail/%u
>>    setting_name = sieve, managedsieve
>>    sieve =
>> file:/var/spool/dovecot/sieve/%n;active=/var/spool/dovecot/sieve/%n/%n.sieve
>> }
>> postmaster_address = postmaster at localhost
>> protocols = " imap lmtp sieve sieve"
>> service anvil {
>>    unix_listener anvil-auth-penalty {
>>      mode = 00
>>    }
>> }
>> service auth {
>>    unix_listener auth-client {
>>      group = vmail
>>      mode = 0666
>>      user = vmail
>>    }
>>    unix_listener auth-userdb {
>>      group = vmail
>>      mode = 0666
>>      user = vmail
>>    }
>> }
>> service imap-login {
>>    inet_listener imap {
>>      port = 143
>>    }
>>    inet_listener imaps {
>>      port = 993
>>      ssl = yes
>>    }
>>    process_min_avail = 1
>> }
>> service imap {
>>    executable = imap postlogin
>>    process_limit = 1024
>> }
>> service postlogin {
>>    executable = script-login -d rawlog
>> }
>> ssl = required
>> ssl_cert = </etc/dovecot/dovecot.crt
>> ssl_cipher_list = ALL:!ADH:!LOW:!SSLv2:!SSLv3:!EXP:!aNULL:+HIGH:+MEDIUM
>> ssl_key =  # hidden, use -P to show it
>> ssl_protocols = TLSv1.2 TLSv1.1 TLSv1 !SSLv3
>> userdb {
>>    args = username_format=%u /etc/dovecot/users
>>    default_fields = home=/var/mail/%u
>>    driver = passwd-file
>> }
>> verbose_proctitle = yes
>> protocol lmtp {
>>    mail_plugins = zlib quota acl listescape mail_log notify virtual quota
>> sieve acl
>> }
>> protocol lda {
>>    mail_plugins = zlib quota acl listescape mail_log notify virtual quota
>> sieve acl
>> }
>> protocol imap {
>>    mail_max_userip_connections = 10
>>    mail_plugins = zlib quota acl listescape mail_log notify virtual
>> imap_quota imap_acl
>> }
>> ---8<------
>>
>> Hope you can help me. It's a certain showstopper for me...
>>
>> Greetings
>>
>> Jakob


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