[CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

Wed Jul 25 15:18:18 UTC 2018
Johnny Hughes <johnny at centos.org>

On 07/19/2018 03:18 PM, David C. Miller wrote:
> ----- Original Message -----
>> From: "Keith Keller" <kkeller at wombat.san-francisco.ca.us>
>> To: centos at centos.org
>> Sent: Thursday, July 19, 2018 11:33:17 AM
>> Subject: Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?
>> On 2018-07-19, Mark Rousell <mark.rousell at signal100.com> wrote:
>>> Well said. I feel that too many people today have forgotten (or, more
>>> likely, never learned) these lessons from history. People give away
>>> their personal and supposedly private information too easily and, I feel
>>> certain, will come to regret it (some already have come to regret it).
>> While I agree with the above, it doesn't really address Johnny's
>> question, which is which open source calendaring projects can compete
>> with Google calendar for users' ease of use?  If I give my users Zimbra,
>> and they hate it, then what?  For simple email use, there are plenty of
>> clients which can talk IMAP/SMTP to a linux server, but the options for
>> calendaring (and ''groupware'' in general) are much sparser.
>> It's a hard question, and each organization needs to weigh their privacy
>> concerns against their users' requirements.
>> --keith
>> --
>> kkeller at wombat.san-francisco.ca.us
> Zimbra's calendaring component is also a CALDav compliant server. Users can also share their calendars either via the zimbra web client(public, or restricted to an email address with a password), or exporting the calendar to an ICS file. CALDav compliant calendar clients like Apples calendar app on Mac and iOS can subscribe or connect to the zimbra server using its https://zimbra.example.com address. The Zimbra web client interface for using and managing calendars is just as easy to use as googles calendars. 

OK, what you say is true in theory.  However,  in Thunderbird on Linux
and using Mac clients, etc  .. and certainly on Windows workstation
clients using outlook .. zimbra does not work well.  It also does not
work well on people's smart phone calendars. People want their phone to
remind them of their appointments .. any solution that is iffy doing
that is just unacceptable in this day and age.

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