Z-Push when using other backends

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  Z-Push Zimbra User Restricton
  • Journeyman  

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  Another possibility is to use LDAP authentication on the z-push apache server. This would prevent z-push from interacting with the zimbra webmail for all unauthenticated sessions. You can add fail2ban, or similar method to greylist/blacklist ip addresses that are repeatedly getting bad logons - you can see the discussion here - https://forum.kopano.io/topic/682/z-push-behind-basic-authentication/10
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  Outlook 2013 sync status always "WAITING FOR SERVER RESPONSE...."
  • RpAlla  

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  @rpalla You still have not answered my questions about any errors that might be appearing in the log files.
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  Z-Push with a Radicale CardDav backend
  • Powercommy  

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  Hello @powercommy , we had some server troubles over the weekend with the system hosting the atlassian stack for z-hub.io. The system is now back online. You can find our contribution guidelines at https://wiki.z-hub.io/display/ZP/Development+guidelines
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  Suggestion about updating
  • sirio81  

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  You really should not be running anything as old as zimbra 8.0.7 - there are so many security fixes and bug fixes that have gone into zimbra since then. How many clients are syncing to the server?
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  CardDAV and CalDAV not syncing against ownCloud
  • raceface2nd  

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  Running into an out-of-memory error is definitely a good indication why there is nothing shown in Outlook. We’ve just implemented a ticket that works better for Outlook and prevents these errors, unfortunately it’s not yet merged (into Z-Push 2.4). There are two immediate solution: increase the php memory limit in your php.ini to 256 or 512 MB (restart apache afterwards) and/or reduce the amount of SYNC_MAX_ITEMS in your z-push config file. 100 should be a good starting point. Cheers, Sebastian
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  z-push auth against IMAP hosteurope
  • raceface2nd  

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  @Manfred : Desktop Clients worked fine Maybe I had some typo error or I don’t know what went wrong in the past. I changed the IMAP_OPTIONS back to /ssl and it works. Emails are also synced to the client now, the only thing I am struggling with is carddav and caldav with owncloud. But I need to invent first, so I can mark this thread as solved. Andy
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  CalDAV sync trouble against Apple CCS
  • dfberger  

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  [SOLVED] Unable to sync contacts
  • sirio81  

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  Reading more carefully the log, I noticed Zimbra->Logon(): FATAL: Zimbra Backend Requires PHP-CURL I was missing php-curl. So apt install php-curl phpenmod curl systemctl apache2 reload
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  Username or password incorrect
  • sirio81  

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  IMAP backend search not working (filter becomes before 1970-01-01 and after 1970-01-01)
  • freescape  

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  Hrrm, I know about as much about PHP as I do about playing the Antagonistic Undecagonstring two-handed… so sure, why not! :-)
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  High CPU and system load by apache
  • sachithra  

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  Is this still an issue? Please let us know which z-push you are using, and if it is the zimbra backend please le me know the release number
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  Requesting confirmation of what appears to be the case... (New backend StickyNote)
  • tickerguy  

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  It’s been about a month now, has been running flawlessly here since the last set of changes, and I’ve created a pull request as a consequence… no code changes since roughly a month ago.
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  Release 67 of the z-push zimbra backend has been uploaded to SourceForge
  • liverpoolfcfan  

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  Sending remote IP to dovecot
  • moseleymark  

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  After digging around the code some the obvious (and “most-correct”) way to do this is to enhance the IMAP php library so that when it is sent an “open” it checks for the capability and, if present and the environment variable with the remote IP is set (which it will be if it was called an upstream “thing” that sets it, such as a web server) it then sends that stanza down after the password is accepted. This would cause the IMAP php module to log it to Dovecot (or any other compatible IMAP server) for all users of it, not just Z-push, and it requires no code changes in the Z-push codebase itself. I run FreeBSD and haven’t dug into the php development community at all, so while I can certainly grab the FreeBSD port and do it in there that doesn’t help anyone except possibly FreeBSD users if I sent the patch back into their system, and it’s subject to rot there over time. The “right” approach to go after this is in the php upstream of course; I’ll stick a note in my “list of things to look at”, but I can’t commit to a when I’ll get to it.
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  Z-Push connection fails on IMAP and combined backend
  • kitserve  

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  Looks like I spoke too soon about this one. On one Debian Stretch server running PHP-FPM, I was able to get Z-Push working with the IMAP/combined backend. On the original server, running mod_php, it still doesn’t work. I’ve tried switching to just the IMAP backend and leaving IMAP_DEFAULTFROM blank, and it still fails with ‘Unable to verify account information’. A GET request to the ActiveSync URL in browser works. Nothing appears in /var/log/z-push.log, /var/log/z-push-error.log, /var/log/auth.log, /var/log/syslog or /var/log/mail.*.
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  Invalid Message-ID header when using BackendIMAP
  • kitserve  

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  Curious. The device in question is an iPhone SE running iOS 11, which I would expect to follow the specs for sending mail. It’s also got another Z-Push account set up on it, linked to a Zarafa 7.2.6 install, which as you say does correctly set the Message-ID.
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  This topic is deleted!
  • Susandaigle23  

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  Z-Push not sending email form iPhone
  • umardraz  

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  Yes I had update the imap-conf.php and change SENT with Sent Messages Thanks
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  Apparent problem with time zone conversion in caldav backend
  • tickerguy  

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  Aha… This appears to be wrong: 02/09/2017 15:42:01 [33851] [DEBUG] [test] Util::MakeUTCDate(): Input '20170902T160000', timezone '(GMT-06:00) Central Time (US and Canada', output '2017-09-02 16:00:00', offset '-21600' What I think we want there is the original timezone specification that PHP understands, which is “America/Chicago”; if I place a “$tz = timezone_open(“America/Chicago”);” just before the conversion then the correct DST offset is picked up. It looks like the PHP code is seeing the “GMT-06:00” and stops there (which makes sense as that’s not a PHP-known timezone string.) I’ll trace back through the code to figure out where the mistake is and generate a patch on Jira.
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  Z-push with Zimbra users of various configurations
  • cjm51213  

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  If you click on the chats icon beside your profile avatar you should see a message from me.