I found the source of the problem. Turning of distributed hashtables 
impediately cures all problems. There where probably some remaining 
keys interfering. I will try to flush redis and see if I can reenable 
it again...

Mhhh when enabling php7 activesync seems to throw errors as well and 
the dashboard shows 2 red warning notifications without any content.

ERR: HORDE SQL QUERY FAILED: SQLSTATE[23000]: Integrity constraint 
violation: 1048 Column 'device_user' cannot be null
         INSERT INTO horde_activesync_device_users (device_id, device_user,
           device_policykey) VALUES('K3QJ591OUD6RFES0T3A6QNQ01S', 
NULL, 0) [pid 21083 on line 234 of 
"/usr/share/php/Horde/Db/Adapter/Pdo/Base.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE Returning HTTP 500 while handling 
Ping command. Error is: SQLSTATE[23000]: Integrity constraint 
violation: 1048 Column 'device_user' cannot be null [pid 21083 on line 
160 of "/var/www/webmail/rpc.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE Error in communicating with 
ActiveSync server: SQLSTATE[23000]: Integrity constraint violation: 
1048 Column 'device_user' cannot be null [pid 21083 on line 165 of 
"/usr/share/php/Horde/Rpc/ActiveSync.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE #0 
/usr/share/php/Horde/ActiveSync/Device.php(382): 
Horde_ActiveSync_State_Sql->setDeviceInfo(Object(Horde_ActiveSync_Device), 
Array)
#1 /usr/share/php/Horde/ActiveSync.php(932): Horde_ActiveSync_Device->save()
#2 /usr/share/php/Horde/ActiveSync.php(783): 
Horde_ActiveSync->_handleDevice('K3QJ591OUD6RFES...')
#3 /usr/share/php/Horde/Rpc/ActiveSync.php(143): 
Horde_ActiveSync->handleRequest('Ping', 'K3QJ591OUD6RFES...')
#4 /var/www/webmail/rpc.php(160): Horde_Rpc_ActiveSync->getResponse(NULL)
#5 {main} [pid 21083 on line 165 of "/usr/share/php/Horde/Rpc/ActiveSync.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE Buffer contents:  [pid 21083 on 
line 165 of "/usr/share/php/Horde/Rpc/ActiveSync.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE SQL QUERY FAILED: 
SQLSTATE[23000]: Integrity constraint violation: 1048 Column 
'device_user' cannot be null
         INSERT INTO horde_activesync_device_users (device_id, device_user,
           device_policykey) VALUES('K3QJ591OUD6RFES0T3A6QNQ01S', 
NULL, 0) [pid 21298 on line 234 of 
"/usr/share/php/Horde/Db/Adapter/Pdo/Base.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE Returning HTTP 500 while handling 
Ping command. Error is: SQLSTATE[23000]: Integrity constraint 
violation: 1048 Column 'device_user' cannot be null [pid 21298 on line 
160 of "/var/www/webmail/rpc.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE Error in communicating with 
ActiveSync server: SQLSTATE[23000]: Integrity constraint violation: 
1048 Column 'device_user' cannot be null [pid 21298 on line 165 of 
"/usr/share/php/Horde/Rpc/ActiveSync.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE #0 
/usr/share/php/Horde/ActiveSync/Device.php(382): 
Horde_ActiveSync_State_Sql->setDeviceInfo(Object(Horde_ActiveSync_Device), 
Array)
#1 /usr/share/php/Horde/ActiveSync.php(932): Horde_ActiveSync_Device->save()
#2 /usr/share/php/Horde/ActiveSync.php(783): 
Horde_ActiveSync->_handleDevice('K3QJ591OUD6RFES...')
#3 /usr/share/php/Horde/Rpc/ActiveSync.php(143): 
Horde_ActiveSync->handleRequest('Ping', 'K3QJ591OUD6RFES...')
#4 /var/www/webmail/rpc.php(160): Horde_Rpc_ActiveSync->getResponse(NULL)
#5 {main} [pid 21298 on line 165 of "/usr/share/php/Horde/Rpc/ActiveSync.php"]
2016-09-24T07:04:36+00:00 ERR: HORDE Buffer contents:  [pid 21298 on 
line 165 of "/usr/share/php/Horde/Rpc/ActiveSync.php"]

Have you got any idea where I might start looking, as none of the logs 
(horde, imap, dovecot) shows any meaningful error. IMAP communictation 
generally seems to work with php7, it just doesn´t seem to read the 
imap folders. I have tried turning off all caches but nothing works, 
the error always turns up.

Unable to reproduce php 7.0.10 / Dovecot 2.2.9

Hi,

I am using Horde webmail via pear install (beta packages) with a 
debian testing installation.
I use dovecot 2.2.25 as an Imap server and as a means to authenticate. 
When I use PHP 5.6.22-2 with apache 2.4.23 things work fine. When I 
switch to PHP 7.0.10 (and every previous version) most things work (as 
well as other web applications) excepts for login for non-admin users 
and listing of IMAP folders. The inbox can be read and emails in it 
are displayed. IMAP folders do not show up and the Drop down for the 
folder options does not work. The regular horde log does not show any 
meaningful entries. The IMAP log shows the following (I have sanitized 
all personal information) for a normal login:

PHP 5:
------------------------------
S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID 
ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
C: 1 STARTTLS
S: 1 OK Begin TLS negotiation now.
C: 2 CAPABILITY
S: * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE 
IDLE AUTH=PLAIN AUTH=LOGIN
S: 2 OK Pre-login capabilities listed, post-login capabilities have more.
C: 3 AUTHENTICATE PLAIN [INITIAL CLIENT RESPONSE (username: twilek)]
S: 3 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 
SPECIAL-USE] Logged in
C: 4 ENABLE QRESYNC
C: 5 NAMESPACE
S: * ENABLED QRESYNC
S: 4 OK Enabled (0.000 + 0.000 secs).
S: * NAMESPACE (("" ".")) NIL NIL
S: 5 OK Namespace completed (0.000 + 0.000 secs).
C: 6 STATUS INBOX (MESSAGES UIDNEXT UIDVALIDITY HIGHESTMODSEQ)
S: * STATUS INBOX (MESSAGES 921 UIDNEXT 113813 UIDVALIDITY 1150683896 
HIGHESTMODSEQ 168026)
S: 6 OK Status completed (0.000 + 0.000 secs).
C: 7 EXAMINE INBOX
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft Junk $Label1 
$Label2 $Label3 $Label4 $Label5 deleted $NotJunk $Junk $Forwarded 
$mdnsent NonJunk)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 921 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150683896] UIDs valid
S: * OK [UIDNEXT 113813] Predicted next UID
S: * OK [HIGHESTMODSEQ 168026] Highest
S: 7 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 8 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM amazon.de
S: * ESEARCH (TAG "8") UID COUNT 0
S: 8 OK Search completed (0.013 + 0.000 + 0.012 secs).
C: 9 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx.com.au) (FROM xxx.de)
S: * ESEARCH (TAG "9") UID COUNT 0
S: 9 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 10 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx) (OR (FROM xxx) (FROM xxx@xxx))
S: * ESEARCH (TAG "10") UID COUNT 0
S: 10 OK Search completed (0.016 + 0.000 + 0.015 secs).
C: 11 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM 
xxx-architektur
S: * ESEARCH (TAG "11") UID COUNT 0
S: 11 OK Search completed (0.008 + 0.000 + 0.007 secs).
C: 12 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "12") UID COUNT 0
S: 12 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 13 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED SUBJECT 
"Ihr Support Ticket"
S: * ESEARCH (TAG "13") UID COUNT 0
S: 13 OK Search completed (0.012 + 0.000 + 0.011 secs).
C: 14 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "14") UID COUNT 0
S: 14 OK Search completed (0.008 + 0.000 + 0.007 secs).
C: 15 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "15") UID COUNT 0
S: 15 OK Search completed (0.016 + 0.000 + 0.015 secs).
C: 16 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx.de
S: * ESEARCH (TAG "16") UID COUNT 0
S: 16 OK Search completed (0.008 + 0.000 + 0.007 secs).
C: 17 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "17") UID COUNT 0
S: 17 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 18 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
synologynotification) (OR (FROM webmin@) (OR (FROM root@xxx) (FROM 
root@localhost)))
S: * ESEARCH (TAG "18") UID COUNT 0
S: 18 OK Search completed (0.013 + 0.000 + 0.012 secs).
C: 19 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM horde
S: * ESEARCH (TAG "19") UID COUNT 0
S: 19 OK Search completed (0.010 + 0.000 + 0.009 secs).
C: 20 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx FROM xxx
S: * ESEARCH (TAG "20") UID COUNT 0
S: 20 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 21 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (OR 
(HEADER RESENT-FROM xxx.de) (OR (HEADER REPLY-TO xxx.de) (OR (HEADER 
SENDER xxx.de) (FROM xxx.de)))) (OR (SUBJECT RUCCC) (OR (OR (HEADER 
RESENT-FROM elisabethgruppe) (OR (HEADER REPLY-TO elisabethgruppe) (OR 
(HEADER SENDER elisabethgruppe) (FROM elisabethgruppe)))) (OR (OR 
(HEADER RESENT-FROM xxxi) (OR (HEADER REPLY-TO xxxi) (OR (HEADER 
SENDER xxxi) (FROM xxxi)))) (OR (OR (HEADER RESENT-FROM xxx-xxx) (OR 
(HEADER REPLY-TO xxx-xxx) (OR (HEADER SENDER xxx-xxx) (FROM 
xxx-xxx)))) (OR (OR (HEADER RESENT-FROM xxx-ukw) (OR (HEADER REPLY-TO 
xxx-ukw) (OR (HEADER SENDER xxx-ukw) (FROM xxx-ukw)))) (OR (OR (HEADER 
RESENT-FROM bartz) (OR (HEADER REPLY-TO bartz) (OR (HEADER SENDER 
bartz) (FROM bartz)))) (OR (OR (HEADER RESENT-TO AllUsers-xxx) (OR 
(BCC AllUsers-xxx) (OR (CC AllUsers-xxx) (TO AllUsers-xxx)))) (OR (OR 
(HEADER RESENT-TO allusers) (OR (BCC allusers) (OR (CC allusers) (TO 
allusers)))) (OR (HEADER RESENT-TO Aerzte) (OR (BCC Aerzte) (OR (CC 
Aerzte) (TO Aerzte))))))))))))
S: * ESEARCH (TAG "21") UID COUNT 0
S: 21 OK Search completed (0.046 + 0.000 + 0.045 secs).
C: 22 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx) (FROM xxx)
S: * ESEARCH (TAG "22") UID COUNT 0
S: 22 OK Search completed (0.008 + 0.000 + 0.007 secs).
C: 23 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx.xxx) (FROM xxx@xxx.ws)
S: * ESEARCH (TAG "23") UID COUNT 0
S: 23 OK Search completed (0.012 + 0.000 + 0.011 secs).
C: 24 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (HEADER 
RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER xxx) 
(FROM xxx)))
S: * ESEARCH (TAG "24") UID COUNT 0
S: 24 OK Search completed (0.014 + 0.000 + 0.013 secs).
C: 25 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxxv8
S: * ESEARCH (TAG "25") UID COUNT 0
S: 25 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 26 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (OR 
(HEADER RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER 
xxx) (FROM xxx)))) (OR (HEADER RESENT-FROM hyun) (OR (HEADER REPLY-TO 
hyun) (OR (HEADER SENDER hyun) (FROM hyun))))
S: * ESEARCH (TAG "26") UID COUNT 0
S: 26 OK Search completed (0.013 + 0.000 + 0.012 secs).
C: 27 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (OR 
(HEADER RESENT-FROM mcxxx) (OR (HEADER REPLY-TO mcxxx) (OR (HEADER 
SENDER mcxxx) (FROM mcxxx)))) (OR (HEADER RESENT-FROM xxx) (OR (HEADER 
REPLY-TO xxx) (OR (HEADER SENDER xxx) (FROM xxx))))
S: * ESEARCH (TAG "27") UID COUNT 0
S: 27 OK Search completed (0.019 + 0.000 + 0.018 secs).
C: 28 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (HEADER 
RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER xxx) 
(FROM xxx)))
S: * ESEARCH (TAG "28") UID COUNT 0
S: 28 OK Search completed (0.012 + 0.000 + 0.011 secs).
C: 29 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx@xxx
S: * ESEARCH (TAG "29") UID COUNT 0
S: 29 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 30 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED HEADER SENDER xxx
S: * ESEARCH (TAG "30") UID COUNT 0
S: 30 OK Search completed (0.004 + 0.000 + 0.003 secs).
C: 31 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx) (OR (FROM xxx) (OR (FROM xxx) (OR (FROM xxx.xxx) (OR (FROM xxx) 
(OR (FROM xxx.com) (OR (FROM xxx) (OR (FROM xxx) (OR (FROM xxx) (OR 
(FROM xxx) (FROM xxx))))))))))
S: * ESEARCH (TAG "31") UID COUNT 0
S: 31 OK Search completed (0.018 + 0.000 + 0.017 secs).
C: 32 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED TO xxx@xxx.de
S: * ESEARCH (TAG "32") UID COUNT 0
S: 32 OK Search completed (0.013 + 0.000 + 0.012 secs).
C: 33 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "33") UID COUNT 0
S: 33 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 34 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "34") UID COUNT 0
S: 34 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 35 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxxller) (OR (FROM xxx) (OR (FROM xxx) (OR (FROM xxx) (FROM xxx))))
S: * ESEARCH (TAG "35") UID COUNT 0
S: 35 OK Search completed (0.019 + 0.000 + 0.018 secs).
C: 36 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (HEADER 
RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER xxx) 
(FROM xxx)))
S: * ESEARCH (TAG "36") UID COUNT 0
S: 36 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 38 LIST "" INBOX RETURN (SUBSCRIBED)
C: 37 LIST (SUBSCRIBED) "" (*) RETURN (SUBSCRIBED)
S: * LIST (\Subscribed) "." INBOX
S: 38 OK List completed (0.000 + 0.000 secs).
S: * LIST (\Subscribed) "." INBOX
S: * LIST (\Subscribed) "." "Sent Messages"
S: * LIST (\Subscribed) "." Arbeit
S: * LIST (\Subscribed) "." Arbeit.xxx
S: * LIST (\Subscribed) "." Arbeit.xxx
S: * LIST (\Subscribed) "." Archive
S: * LIST (\Subscribed) "." Archive.Gesendet
S: * LIST (\Subscribed) "." Drafts
S: * LIST (\Subscribed) "." "xxx W"
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." Eltern
S: * LIST (\Subscribed) "." "xxx Ost"
S: * LIST (\Subscribed) "." Haus
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." Lucas
S: * LIST (\Subscribed) "." "xxx W"
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." Cron
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." Horde
S: * LIST (\Subscribed) "." Trash
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." Amazon
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." Junk
S: * LIST (\Subscribed) "." xxx
S: * LIST (\Subscribed) "." xxx-xxx
S: * LIST (\Subscribed) "." "xxx xxx"
S: 37 OK List completed (0.000 + 0.000 secs).
C: 39 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "39") COUNT 0
S: 39 OK Search completed (0.001 + 0.000 secs).
C: 40 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 79 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401419] UIDs valid
S: * OK [UIDNEXT 80] Predicted next UID
S: * OK [HIGHESTMODSEQ 129] Highest
S: 40 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 41 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "41") COUNT 0
S: 41 OK Search completed (0.001 + 0.000 secs).
C: 42 EXAMINE Amazon
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft Junk $junk 
$Forwarded $notjunk)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 1519 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1162900217] UIDs valid
S: * OK [UIDNEXT 5025] Predicted next UID
S: * OK [HIGHESTMODSEQ 6225] Highest
S: 42 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 43 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "43") COUNT 0
S: 43 OK Search completed (0.001 + 0.000 secs).
C: 44 EXAMINE Arbeit
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $forwarded 
$NotJunk $mdnsent)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 1444 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150750282] UIDs valid
S: * OK [UIDNEXT 1688] Predicted next UID
S: * OK [HIGHESTMODSEQ 1887] Highest
S: 44 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 45 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "45") COUNT 0
S: 45 OK Search completed (0.001 + 0.000 secs).
C: 46 EXAMINE Arbeit.xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $forwarded 
$mdnsent $NotJunk $junk)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 318 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401406] UIDs valid
S: * OK [UIDNEXT 330] Predicted next UID
S: * OK [HIGHESTMODSEQ 288] Highest
S: 46 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 47 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "47") COUNT 0
S: 47 OK Search completed (0.001 + 0.000 secs).
C: 48 EXAMINE Arbeit.xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 320 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401405] UIDs valid
S: * OK [UIDNEXT 321] Predicted next UID
S: * OK [HIGHESTMODSEQ 410] Highest
S: 48 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 49 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "49") COUNT 0
S: 49 OK Search completed (0.001 + 0.000 secs).
C: 50 EXAMINE "xxx W"
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Junk $NotJunk)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 367 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150750283] UIDs valid
S: * OK [UIDNEXT 370] Predicted next UID
S: * OK [HIGHESTMODSEQ 168] Highest
S: 50 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 51 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "51") COUNT 0
S: 51 OK Search completed (0.001 + 0.000 secs).
C: 52 EXAMINE "xxx xxx"
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 18 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401422] UIDs valid
S: * OK [UIDNEXT 19] Predicted next UID
S: * OK [HIGHESTMODSEQ 2] Highest
S: 52 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 53 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "53") COUNT 0
S: 53 OK Search completed (0.001 + 0.000 secs).
C: 54 EXAMINE Cron
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $junk $forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 0 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401356] UIDs valid
S: * OK [UIDNEXT 6074] Predicted next UID
S: * OK [HIGHESTMODSEQ 9335] Highest
S: 54 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 55 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 105 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401391] UIDs valid
S: * OK [UIDNEXT 106] Predicted next UID
S: * OK [HIGHESTMODSEQ 22] Highest
S: 55 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 56 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "56") COUNT 0
S: 56 OK Search completed (0.001 + 0.000 secs).
C: 57 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 14 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401414] UIDs valid
S: * OK [UIDNEXT 15] Predicted next UID
S: * OK [HIGHESTMODSEQ 20] Highest
S: 57 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 58 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "58") COUNT 0
S: 58 OK Search completed (0.001 + 0.000 secs).
C: 59 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 966 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150752663] UIDs valid
S: * OK [UIDNEXT 1457] Predicted next UID
S: * OK [HIGHESTMODSEQ 2694] Highest
S: 59 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 60 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "60") COUNT 0
S: 60 OK Search completed (0.001 + 0.000 secs).
C: 61 EXAMINE Eltern
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 328 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1161344579] UIDs valid
S: * OK [UIDNEXT 347] Predicted next UID
S: * OK [HIGHESTMODSEQ 407] Highest
S: 61 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 62 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "62") COUNT 0
S: 62 OK Search completed (0.001 + 0.000 secs).
C: 63 EXAMINE "xxx Ost"
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 40 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401364] UIDs valid
S: * OK [UIDNEXT 41] Predicted next UID
S: * OK [HIGHESTMODSEQ 33] Highest
S: 63 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 64 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "64") COUNT 0
S: 64 OK Search completed (0.001 + 0.000 secs).
C: 65 EXAMINE Haus
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Junk $NotJunk 
$Forwarded Junk $MDNSent)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 690 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401360] UIDs valid
S: * OK [UIDNEXT 692] Predicted next UID
S: * OK [HIGHESTMODSEQ 1096] Highest
S: 65 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 66 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "66") COUNT 0
S: 66 OK Search completed (0.001 + 0.000 secs).
C: 67 EXAMINE Horde
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $junk $NotJunk 
$forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 199 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401383] UIDs valid
S: * OK [UIDNEXT 1625] Predicted next UID
S: * OK [HIGHESTMODSEQ 4489] Highest
S: 67 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 68 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "68") COUNT 0
S: 68 OK Search completed (0.001 + 0.000 secs).
C: 69 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Junk $NotJunk 
$forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 392 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1161344579] UIDs valid
S: * OK [UIDNEXT 395] Predicted next UID
S: * OK [HIGHESTMODSEQ 707] Highest
S: 69 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 70 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "70") COUNT 0
S: 70 OK Search completed (0.001 + 0.000 secs).
C: 71 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $NotJunk $Junk 
Junk $Forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 2574 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1173730243] UIDs valid
S: * OK [UIDNEXT 13119] Predicted next UID
S: * OK [HIGHESTMODSEQ 2416] Highest
S: 71 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 72 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "72") COUNT 0
S: 72 OK Search completed (0.001 + 0.000 secs).
C: 73 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 176 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401389] UIDs valid
S: * OK [UIDNEXT 177] Predicted next UID
S: * OK [HIGHESTMODSEQ 92] Highest
S: 73 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 74 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "74") COUNT 0
S: 74 OK Search completed (0.001 + 0.000 secs).
C: 75 EXAMINE Lucas
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $NotJunk $Junk 
Junk $Forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 600 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150750283] UIDs valid
S: * OK [UIDNEXT 2258] Predicted next UID
S: * OK [HIGHESTMODSEQ 624] Highest
S: 75 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 76 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "76") COUNT 0
S: 76 OK Search completed (0.001 + 0.000 secs).
C: 77 EXAMINE "xxx W"
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 369 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150750283] UIDs valid
S: * OK [UIDNEXT 377] Predicted next UID
S: * OK [HIGHESTMODSEQ 541] Highest
S: 77 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 78 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "78") COUNT 0
S: 78 OK Search completed (0.001 + 0.000 secs).
C: 79 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 113 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401390] UIDs valid
S: * OK [UIDNEXT 114] Predicted next UID
S: * OK [HIGHESTMODSEQ 15] Highest
S: 79 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 80 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "80") COUNT 0
S: 80 OK Search completed (0.001 + 0.000 secs).
C: 81 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 9 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401409] UIDs valid
S: * OK [UIDNEXT 12] Predicted next UID
S: * OK [HIGHESTMODSEQ 18] Highest
S: 81 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 82 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "82") COUNT 0
S: 82 OK Search completed (0.001 + 0.000 secs).
C: 83 EXAMINE xxx-xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $NotJunk $junk)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 172 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1237401388] UIDs valid
S: * OK [UIDNEXT 174] Predicted next UID
S: * OK [HIGHESTMODSEQ 61] Highest
S: 83 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 84 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "84") COUNT 0
S: 84 OK Search completed (0.001 + 0.000 secs).
C: 85 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $NotJunk $Junk 
$forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 451 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150750283] UIDs valid
S: * OK [UIDNEXT 455] Predicted next UID
S: * OK [HIGHESTMODSEQ 471] Highest
S: 85 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 86 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "86") COUNT 0
S: 86 OK Search completed (0.001 + 0.000 secs).
C: 87 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 333 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150750284] UIDs valid
S: * OK [UIDNEXT 335] Predicted next UID
S: * OK [HIGHESTMODSEQ 381] Highest
S: 87 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 88 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "88") COUNT 0
S: 88 OK Search completed (0.001 + 0.000 secs).
C: 89 EXAMINE xxx
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $NotJunk $Junk 
$forwarded)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 51 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1286774720] UIDs valid
S: * OK [UIDNEXT 60] Predicted next UID
S: * OK [HIGHESTMODSEQ 76] Highest
S: 89 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 90 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "90") COUNT 0
S: 90 OK Search completed (0.001 + 0.000 secs).
C: 91 EXAMINE INBOX (QRESYNC (1150683896 168026))
S: * OK [CLOSED] Previous mailbox closed.
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft Junk $Label1 
$Label2 $Label3 $Label4 $Label5 deleted $NotJunk $Junk $Forwarded 
$mdnsent NonJunk)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 921 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150683896] UIDs valid
S: * OK [UIDNEXT 113813] Predicted next UID
S: * OK [HIGHESTMODSEQ 168026] Highest
S: 91 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).

C: 92 UID SEARCH RETURN (ALL COUNT) UNSEEN
S: * ESEARCH (TAG "92") UID COUNT 0
S: 92 OK Search completed (0.001 + 0.000 secs).
C: 93 LOGOUT
S: * BYE Logging out
S: 93 OK Logout completed (0.000 + 0.000 secs).
PHP 7:
------------------------------
S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID 
ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
C: 1 STARTTLS
S: 1 OK Begin TLS negotiation now.
C: 2 CAPABILITY
S: * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE 
IDLE AUTH=PLAIN AUTH=LOGIN
S: 2 OK Pre-login capabilities listed, post-login capabilities have more.
C: 3 AUTHENTICATE PLAIN [INITIAL CLIENT RESPONSE (username: xxx)]
S: 3 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 
SPECIAL-USE] Logged in
C: 4 ENABLE QRESYNC
C: 5 NAMESPACE
S: * ENABLED QRESYNC
S: 4 OK Enabled (0.000 + 0.000 secs).
S: * NAMESPACE (("" ".")) NIL NIL
S: 5 OK Namespace completed (0.000 + 0.000 secs).
C: 6 STATUS INBOX (MESSAGES UIDNEXT UIDVALIDITY HIGHESTMODSEQ)
S: * STATUS INBOX (MESSAGES 921 UIDNEXT 113813 UIDVALIDITY 1150683896 
HIGHESTMODSEQ 168026)
S: 6 OK Status completed (0.000 + 0.000 secs).
C: 7 EXAMINE INBOX
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft Junk $Label1 
$Label2 $Label3 $Label4 $Label5 deleted $NotJunk $Junk $Forwarded 
$mdnsent NonJunk)
S: * OK [PERMANENTFLAGS ()] Read-only mailbox.
S: * 921 EXISTS
S: * 0 RECENT
S: * OK [UIDVALIDITY 1150683896] UIDs valid
S: * OK [UIDNEXT 113813] Predicted next UID
S: * OK [HIGHESTMODSEQ 168026] Highest
S: 7 OK [READ-ONLY] Examine completed (0.000 + 0.000 secs).
C: 8 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM amazon.de
S: * ESEARCH (TAG "8") UID COUNT 0
S: 8 OK Search completed (0.016 + 0.000 + 0.015 secs).
C: 9 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx.com.au) (FROM xxx.de)
S: * ESEARCH (TAG "9") UID COUNT 0
S: 9 OK Search completed (0.019 + 0.000 + 0.018 secs).
C: 10 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx) (OR (FROM xxx) (FROM xxx@xxx))
S: * ESEARCH (TAG "10") UID COUNT 0
S: 10 OK Search completed (0.013 + 0.000 + 0.012 secs).
C: 11 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxxur
S: * ESEARCH (TAG "11") UID COUNT 0
S: 11 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 12 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "12") UID COUNT 0
S: 12 OK Search completed (0.008 + 0.000 + 0.007 secs).
C: 13 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED SUBJECT 
"Ihr Support Ticket"
S: * ESEARCH (TAG "13") UID COUNT 0
S: 13 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 14 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "14") UID COUNT 0
S: 14 OK Search completed (0.007 + 0.000 + 0.006 secs).
C: 15 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "15") UID COUNT 0
S: 15 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 16 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx.de
S: * ESEARCH (TAG "16") UID COUNT 0
S: 16 OK Search completed (0.008 + 0.000 + 0.007 secs).
C: 17 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "17") UID COUNT 0
S: 17 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 18 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
synologynotification) (OR (FROM webmin@) (OR (FROM root@xxx) (FROM 
root@localhost)))
S: * ESEARCH (TAG "18") UID COUNT 0
S: 18 OK Search completed (0.009 + 0.000 + 0.008 secs).
C: 19 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM horde
S: * ESEARCH (TAG "19") UID COUNT 0
S: 19 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 20 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx FROM xxx
S: * ESEARCH (TAG "20") UID COUNT 0
S: 20 OK Search completed (0.008 + 0.000 + 0.007 secs).
C: 21 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (OR 
(HEADER RESENT-FROM xxx.de) (OR (HEADER REPLY-TO xxx.de) (OR (HEADER 
SENDER xxx.de) (FROM xxx.de)))) (OR (SUBJECT RUCCC) (OR (OR (HEADER 
RESENT-FROM elisabethgruppe) (OR (HEADER REPLY-TO elisabethgruppe) (OR 
(HEADER SENDER elisabethgruppe) (FROM elisabethgruppe)))) (OR (OR 
(HEADER RESENT-FROM xxxi) (OR (HEADER REPLY-TO xxxi) (OR (HEADER 
SENDER xxxi) (FROM xxxi)))) (OR (OR (HEADER RESENT-FROM xxx-xxx) (OR 
(HEADER REPLY-TO xxx-xxx) (OR (HEADER SENDER xxx-xxx) (FROM 
xxx-xxx)))) (OR (OR (HEADER RESENT-FROM xxx-ukw) (OR (HEADER REPLY-TO 
xxx-ukw) (OR (HEADER SENDER xxx-ukw) (FROM xxx-ukw)))) (OR (OR (HEADER 
RESENT-FROM bartz) (OR (HEADER REPLY-TO bartz) (OR (HEADER SENDER 
bartz) (FROM bartz)))) (OR (OR (HEADER RESENT-TO AllUsers-xxx) (OR 
(BCC AllUsers-xxx) (OR (CC AllUsers-xxx) (TO AllUsers-xxx)))) (OR (OR 
(HEADER RESENT-TO allusers) (OR (BCC allusers) (OR (CC allusers) (TO 
allusers)))) (OR (HEADER RESENT-TO Aerzte) (OR (BCC Aerzte) (OR (CC 
Aerzte) (TO Aerzte))))))))))))
S: * ESEARCH (TAG "21") UID COUNT 0
S: 21 OK Search completed (0.046 + 0.000 + 0.045 secs).
C: 22 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx) (FROM xxx)
S: * ESEARCH (TAG "22") UID COUNT 0
S: 22 OK Search completed (0.016 + 0.000 + 0.015 secs).
C: 23 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx.xxx) (FROM xxx@xxx.ws)
S: * ESEARCH (TAG "23") UID COUNT 0
S: 23 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 24 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (HEADER 
RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER xxx) 
(FROM xxx)))
S: * ESEARCH (TAG "24") UID COUNT 0
S: 24 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 25 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxxv8
S: * ESEARCH (TAG "25") UID COUNT 0
S: 25 OK Search completed (0.009 + 0.000 + 0.008 secs).
C: 26 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (OR 
(HEADER RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER 
xxx) (FROM xxx)))) (OR (HEADER RESENT-FROM hyun) (OR (HEADER REPLY-TO 
hyun) (OR (HEADER SENDER hyun) (FROM hyun))))
S: * ESEARCH (TAG "26") UID COUNT 0
S: 26 OK Search completed (0.014 + 0.000 + 0.013 secs).
C: 27 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (OR 
(HEADER RESENT-FROM mcxxx) (OR (HEADER REPLY-TO mcxxx) (OR (HEADER 
SENDER mcxxx) (FROM mcxxx)))) (OR (HEADER RESENT-FROM xxx) (OR (HEADER 
REPLY-TO xxx) (OR (HEADER SENDER xxx) (FROM xxx))))
S: * ESEARCH (TAG "27") UID COUNT 0
S: 27 OK Search completed (0.019 + 0.000 + 0.018 secs).
C: 28 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (HEADER 
RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER xxx) 
(FROM xxx)))
S: * ESEARCH (TAG "28") UID COUNT 0
S: 28 OK Search completed (0.011 + 0.000 + 0.010 secs).
C: 29 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx@xxx
S: * ESEARCH (TAG "29") UID COUNT 0
S: 29 OK Search completed (0.009 + 0.000 + 0.008 secs).
C: 30 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED HEADER SENDER xxx
S: * ESEARCH (TAG "30") UID COUNT 0
S: 30 OK Search completed (0.007 + 0.000 + 0.006 secs).
C: 31 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxx) (OR (FROM xxx) (OR (FROM xxx) (OR (FROM xxx.xxx) (OR (FROM xxx) 
(OR (FROM xxx.com) (OR (FROM xxx) (OR (FROM xxx) (OR (FROM xxx) (OR 
(FROM xxx) (FROM xxx))))))))))
S: * ESEARCH (TAG "31") UID COUNT 0
S: 31 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 32 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED TO xxx@xxx.de
S: * ESEARCH (TAG "32") UID COUNT 0
S: 32 OK Search completed (0.018 + 0.000 + 0.017 secs).
C: 33 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "33") UID COUNT 0
S: 33 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 34 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED FROM xxx
S: * ESEARCH (TAG "34") UID COUNT 0
S: 34 OK Search completed (0.017 + 0.000 + 0.016 secs).
C: 35 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (FROM 
xxxller) (OR (FROM xxx) (OR (FROM xxx) (OR (FROM xxx) (FROM xxx))))
S: * ESEARCH (TAG "35") UID COUNT 0
S: 35 OK Search completed (0.009 + 0.000 + 0.008 secs).
C: 36 UID SEARCH RETURN (ALL COUNT) CHARSET UTF-8 UNDELETED OR (HEADER 
RESENT-FROM xxx) (OR (HEADER REPLY-TO xxx) (OR (HEADER SENDER xxx) 
(FROM xxx)))
S: * ESEARCH (TAG "36") UID COUNT 0
S: 36 OK Search completed (0.018 + 0.000 + 0.017 secs).
C: 37 SEARCH RETURN (MIN COUNT) UNSEEN
S: * ESEARCH (TAG "37") COUNT 0
S: 37 OK Search completed (0.001 + 0.000 secs).

C: 38 UID SEARCH RETURN (ALL COUNT) UNSEEN
S: * ESEARCH (TAG "38") UID COUNT 0
S: 38 OK Search completed (0.001 + 0.000 secs).
C: 39 LOGOUT
S: * BYE Logging out
S: 39 OK Logout completed (0.000 + 0.000 secs).
I have tried turning IMAP folder subscription off to no avail. Trying 
to login as a non admin user will yield something like this;
S: * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID 
ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
C: 1 STARTTLS
S: 1 OK Begin TLS negotiation now.
C: 2 CAPABILITY
S: * CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE 
IDLE AUTH=PLAIN AUTH=LOGIN
S: 2 OK Pre-login capabilities listed, post-login capabilities have more.
C: 3 AUTHENTICATE PLAIN [INITIAL CLIENT RESPONSE (username: xxx)]
S: 3 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 
SPECIAL-USE] Logged in
C: 4 ENABLE QRESYNC
C: 5 LOGOUT
S: * ENABLED QRESYNC
S: 4 OK Enabled (0.000 + 0.000 secs).
S: * BYE Logging out
S: 5 OK Logout completed (0.000 + 0.000 secs).
and the login fails...