Re: [PLUG] CalDAV server on linux

On Mon, Dec 18, 2017 at 1:00 PM, Lee H. Marzke <lee@marzke.net> wrote:

See below

----- Original Message -----
> From: "Keith C. Perry" <kperry@daotechnologies.com>
> To: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
> Sent: Monday, December 18, 2017 11:38:24 AM
> Subject: Re: [PLUG] CalDAV server on linux

> +1
>
> I've been using Zimbra for a long time now (over 5 years) and it is rock solid.
> I can't say enough good about it. You don't actually **need** ActiveSync to
> sync your mail- IMAPS works just fine along with the other encrypted mail
> transports.

Correct, but to sync Calandar, Contacts and Email on Android Active Sync is the only
thing I've found that works reliably mobile devices. Personally I prefer cal / contacts
synced on my phone and wanting to avoid google.

>
> There are other sync options for cal and contacts if you want to do that. I've
> tested then before and they do work but I personally don't normally sync those
> things so I can't speak to their long term reliability. They were fairly new
> some years ago when I tried them out so ActiveSync is probably the way to go
> for the best reliability and availability.
>
> That said, it appears basic ActiveSync is now included in the standard version
> of Zimbra 8.8
> (https://blog.zimbra.com/2017/12/whats-new-zimbra-collaboration-8-8/#mobile).

>
> Zimbra also now has an internal "Chat" (XMPP compatible) and "Drive" function so
> it really is becoming an alternative to G-Suite.

Interesting new features, I'm on an older version with my provider.

>
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> Keith C. Perry, MS E.E.
> Managing Member, DAO Technologies LLC
> (O) +1.215.525.4165 x2033
> (M) +1.215.432.5167
> www.daotechnologies.com
>
> ----- Original Message -----
> From: "Lee H. Marzke" <lee@marzke.net>
> To: "Philadelphia Linux User's Group Discussion List"
> <plug@lists.phillylinux.org>
> Sent: Friday, December 15, 2017 5:15:20 PM
> Subject: Re: [PLUG] CalDAV server on linux
>
> I've been using a hosted Zimbra provider for years, and it does
> email/calandar/addressbook/Active sync
> on Win/Lin/Android / iPhone, etc. This just works without any hassle but does
> retail for around
> $20/user/month.
>
> Years ago I tried using all the open source calendaring solutions, CalDAV, etc.
> and/or email but
> nothing worked, and basically wasted hours of my time. The thing is, Active
> Sync is the only
> product that seems to work in a reliable way across all devices ( because so
> many people use Exchange) , so
> using a product with ActiveSync just works.
>
> For a company $20/month/user is so cheap you should be jumping. Note that
> corporate features such
> as legal archive/hold and trash retention can also be added - and if your using
> open source I'm not sure
> how you comply with any of those legal requirements. Of course that isn't a
> problem until your company is part
> of a legal action, but by then it's too late to add a hold because users or
> corp officers delete email.
> Note that the IT person may be responsible for keeping email from being deleted
> even by officers - ask your
> corp counsel.
>
> Legal hold provide archiving of all users email for the time provide in your
> corp policies. This way users email
> is preserved even if they delete it themselves. If your company is notified of
> a pending legal action and you don't prevent
> users from deleting messages, your company is likely in much more trouble.
>
> Most small companies are completely un-prepared for the legal holds required of
> email, etc. Corporate
> wide search is also available so you can provide that search tool to your legal
> team to pair down the amount of
> emails provided.
>
> Much better to only provide emails requested, then provide ALL of them.
>
> Note I don't do the legal stuff myself, I just have an attorney in the family
> that I've discussed email requirements
> at length, and it seems only the large companies really understand this. I do
> encourage
> small companies I deal with to setup email archiving and search up front so it
> can be used when required.
>
> Lee
>
> PS: If your willing to provide your own support to users, you might be able to
> get reseller account
> and provide this hosted service to internal users at much less than the pricing
> above. You can talk to
> me off-list for more info.
>
>
>
> ----- Original Message -----
>> From: "Greg Helledy" <gregsonh@gra-inc.com>
>> To: "Philadelphia Linux User's Group Discussion List"
>> <plug@lists.phillylinux.org>
>> Sent: Friday, December 15, 2017 3:03:24 PM
>> Subject: [PLUG] CalDAV server on linux
>
>> Our company needs a calendaring system. Our hosting provider includes
>> the Horde suite, with its "Kronolith" server, in our service.
>> Unfortunately, due to a long-standing bug which has been marked
>> resolved, it's really not usable for us.
>> (If someone sends you an emailed invitation to an event, and you accept
>> using a mail client (like Thunderbird), instead of simply adding the
>> event to your calendar and replying that you will attend, Kronolith will:
>> 1. Send out a cancellation notice to every recipient of the invitation
>> 2. Create an identical event with you as the organizer on your calendar
>> 3. Send out an invitation to the new event to every recipient
>> https://bugs.horde.org/ticket/13664
>>
>> I have tried setting up Baikal (http://sabre.io/baikal/) on our server,
>> but the configuration of Apache is not automatic and I'm obviously
>> missing some detail. I can log in to the admin interface, add users,
>> etc. and add the calendar to the client, but events created never get
>> onto the server--the CalDAV communications simply don't go.
>>
>> So, my choices seem to be:
>> -find another calendar server application that doesn't require much
>> config to get working
>> -find a professional CalDAV hosting provider, who uses something other
>> than Horde
>>
>> The latter is tricky in that it's usually bundled with email, which is a
>> fairly expensive service to provide well (dealing with spam, etc.) so
>> they have to charge $10-$20 per month per user.
>>
>> If anyone has any recommendations for either software or a reliable
>> hosting provider willing to offer just calendars, please drop me a note.
>>
>> Thanks,
>> --
>> Greg Helledy
>> GRA, Incorporated
>> P: +1 215-884-7500
>> F: +1 215-884-1385
>> www.gra.aero
>> ___________________________________________________________________________
>> Philadelphia Linux Users Group -- http://www.phillylinux.org
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>
> --
> "Between subtle shading and the absence of light lies the nuance of iqlusion..."
> - Kryptos
>
> Lee Marzke
> ___________________________________________________________________________
> Philadelphia Linux Users Group -- http://www.phillylinux.org
> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
> ___________________________________________________________________________
> Philadelphia Linux Users Group -- http://www.phillylinux.org
> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug

--
"Between subtle shading and the absence of light lies the nuance of iqlusion..." - Kryptos

Lee Marzke, lee@marzke.net http://marzke.net/lee/
IT Consultant, VMware, VCenter, SAN storage, infrastructure, SW CM

___________________________________________________________________________
Philadelphia Linux Users Group -- http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
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