On 07/18/18 14:36, Johnny Hughes wrote:
On 07/18/2018 01:58 PM, Valeri Galtsev wrote:
<snip>
But are you guys really telling you think the calendaring / scheduling
for individual users and the main corporate account, etc. .. are working
well enough with any Linux solution.
I must confess, my servers are FreeBSD, but I'm quite sure the same is
doable easily on Linux.
We use for calendars Owncloud (may migrate to nextcloud in some future
to come). That authenticates against LDAP.
And does that calendar solution allow for things like:
1) Allowing all users in the organization to see users calendars and
see when they are free to schedule a meeting with them.
Yes at least about a part of it: calendars can be shared with some
people or with everybody (which we didn't do, so I may be not 100%
presenting "experimental fact" here). Not certain about "free/not free"
mapped on calendars though.
2) Allow for designated people to schedule meetings for others (ie, your
secretary/office assistant can schedule meetings for people, etc.)
Yes, you can share calendar with anybody, and can set any set of choices
can read
can write
can "re-share" your calendar
You can share stuff to external people, and set individual
authentication for them independent of our system (in general, it is not
just calendars, but we use it for mostly synchronizing between all of
your devices, and also sharing: files, calendars, address book; it can
also be bookmarks, and there are variety of plugins expanding what else
can be accessed/synchronized via web/dav)
3) Allow a calendar to schedule shared items .. like meeting rooms,
shared vehicles, etc. So that people can check those out for specifc
time windows, etc.
No, but for resource booking (if I read the question correctly) we use
mrbs (https://mrbs.sourceforge.io/). I know, that is not "integrated"
for you to have everything in one place. I never had time to look for
extention/plugin to suck from mrbs booked slot into one's calendar.
Those are just a couple of minor things a lot of solutions can't do
And do they work with imap, etc.
No, owncloud/nextcloud don't work with IMAP as far as I know. Mail
server is separate issue. Zimbra in that respect IS "integrated
collaborative environment". And so is Kolab. They both are lacking
per-user spam preferences. One more thing that added some minus for each
of them in my estimate what to choose is: behind each of them there is
commercial company. And that in my looooong experience significantly
increases the chance one day openly available incarnation of each may
become no longer available for us, and I will have to find replacement
in a rush and find the way to migrate to it, and the more sophisticated
the thing is, the trickier the migration will be.
My answers are mostly about owncloud which we use for quite some time.
Nextcloud is fork of owncloud, and to my regret nextcloud doesn't work
with postgresql, only with mysql/MariaDB, whereas owncloud works with
postgresql as well as with mysql/MariaDB (still we have some reasons to
migrate to nextcloud at some point).
I hope, someone with more knowledge will chime in.
Valeri
Zimbra does not work very well with
Thunderbird and Lighting (for example) .. many solutions don't work with
Windows or Mac clients, etc.
For mail we use postfix, dovecot and maia for spam filtering (the last
harnesses spamassassin, clamav and few other things).
Of course, zimbra you mentioned earlier in the thread (or was it not
you?), and Kolab provide more corporate-like collaboration environments,
but I shied away from them as I set myself a goal to give users
individual handle on spam/virus filtering in email, and neither of them
has per-user spam preferences (take it with the grain of salt, I might
have missed something...)
Just my $0.02.
<snip>
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--
++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
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