CentOS - Jul 2018 - Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

Good evening from Singapore,

I am torn between deploying Microsoft Exchange 2016 and Linux-based
SMTP servers like sendmail, postfix, qmail and exim.

Relative ease of installation and configuration is an important
consideration factor.

Microsoft Exchange 2016, Domain Controller, and Active Directory are
relatively easy to install and configure. Linux-based SMTP servers are
extremely difficult to install and configure and of course, extremely
time-consuming.

One of the features of Microsoft Exchange 2016 is that you can create
additional folders on your Inbox in the server (server-side). Can
Linux-based SMTP servers do that?

Does Exchange 2016 offer more user-friendly features or Linux-based
SMTP servers?

Besides the above considerations, how about security? Traditionally,
Linux is far more secure than Windows.

Judging by security, Linux-based SMTP servers ought to have a higher percentage
of the market share?

Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE for a
period of 3 years MAXIMUM. But I can use Linux servers and Mail Transport Agents
(MTA) FREE perpetually.

Please advise.

Thank you very much.



===BEGIN SIGNATURE==
 Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30 Oct 2017

 [1] https://tdtemcerts.wordpress.com/

<https://tdtemcerts.wordpress.com/> [2] http://tdtemcerts.blogspot.sg/

<http://tdtemcerts.blogspot.sg/> [3]
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On Wed, Jul 18, 2018 at 03:04:52PM +0000, Turritopsis Dohrnii Teo En Ming
wrote:
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
> 
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
I think you're a bit confused about what an SMTP server is.  Exchange
typically provides several services, one of which is SMTP.  Comparing
features of Exchange to similar products in the open source world is
going to be difficult, because Microsoft has a vendor lock-in that
makes it difficult to exactly duplicate every feature.

On Linux, an SMTP server can deliver locally to a file (such as
/var/spool/mail/username) and you can read that file with several
MUAs, but it sounds to me like you're asking if there is a way to have
multiple folders.  That's more like something provided by an IMAP
server.  Typically mail arrives in your mailbox via SMTP, and is then
delivered into a mailbox that is read by a completely separate service
that provides the IMAP protocol (or POP3, but I hope not).  IMAP
servers can provide you with many different 'folders' and not just an
INBOX. 

There are several IMAP servers for CentOS, for ease of setup I suggest
dovecot.  If you need a webmail client for your mail service, I
suggest RoundCube (package name: roundcubemail).  I prefer postfix for
SMTP although there's also sendmail and exim.

-- 
Jonathan Billings <billings at negate.org>

If you find setting up a linux based smtp server "extremely
difficult", then you have probably answered your own question already.
Stick to what you know.

hth

--
Sent from the Delta quadrant using Borg technology!

Nux!
www.nux.ro

----- Original Message -----
> From: "Turritopsis Dohrnii Teo En Ming" <turritopsis.dohrnii
at teo-en-ming.com>
> To: "CentOS mailing list" <centos at centos.org>
> Sent: Wednesday, 18 July, 2018 16:04:52
> Subject: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based
SMTP Servers?
> Good evening from Singapore,
> 
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
> 
> Relative ease of installation and configuration is an important
> consideration factor.
> 
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
> 
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
> 
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
> 
> Besides the above considerations, how about security? Traditionally,
> Linux is far more secure than Windows.
> 
> Judging by security, Linux-based SMTP servers ought to have a higher
percentage
> of the market share?
> 
> Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE
for a
> period of 3 years MAXIMUM. But I can use Linux servers and Mail Transport
> Agents (MTA) FREE perpetually.
> 
> Please advise.
> 
> Thank you very much.
> 
> 
> 
> ===BEGIN SIGNATURE==> 
> Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30 Oct
2017
> 
> [1] https://tdtemcerts.wordpress.com/
> 
> <https://tdtemcerts.wordpress.com/> [2]
http://tdtemcerts.blogspot.sg/
> 
> <http://tdtemcerts.blogspot.sg/> [3]
> https://www.scribd.com/user/270125049/Teo-En-Ming
> 
> <https://www.scribd.com/user/270125049/Teo-En-Ming> ===END
SIGNATURE==>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos

On 07/18/2018 10:04 AM, Turritopsis Dohrnii Teo En Ming
wrote:
> Good evening from Singapore,
> 
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
> 
> Relative ease of installation and configuration is an important
> consideration factor.
> 
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
> 
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
> 
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
> 
> Besides the above considerations, how about security? Traditionally,
> Linux is far more secure than Windows.
> 
> Judging by security, Linux-based SMTP servers ought to have a higher
percentage of the market share?
> 
> Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE
for a period of 3 years MAXIMUM. But I can use Linux servers and Mail Transport
Agents (MTA) FREE perpetually.
> 
> Please advise.
You would need to use other pieces besides just the SMTP aspect if using
Linux.  (ie, you would need an IMAP server, a Web front end (like
Roundcube).

The main issue is still going to be calendaring.  To be perfectly honest
and frank here .. NONE of the Linux based calendaring solutions are good
enough (IMHO) for major business use.

As much as it pains me to say it, I would personally recommend either
office365 or googleapps for mail if I were currently a SysAdmin making
recommendations for a company of moderate size.  If you HAVE to run a
local server, then again, as much as it pains me to say it .. I would
use Exchange because of the terrible calendaring on Linux based solutions.

There are some suites out there that run on Linux and provide some
decent calendaring (zimba, iredmail, kolab, etc.)  But my personal
experience managing those (and using them) is that they are subpar to
the google calendar or exchange calendar solutions.

That said, there are a bunch of other pieces (like SPAM filtering, virus
scanning, etc.) and all of that adds to the cost of an Exchange
solution.  And you really can't just ignore those things in 2018 anymore
.. so certainly a Linux based on premise solution would be cheaper to
maintain.

People say that office365 and googleapps solutions are too expensive,
but my experience tells me that if you factor in all costs (including
hardware and sysadmin time, etc.), and look at quality of service
(especially calendaring), those services are competitive.



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On Wed, Jul 18, 2018 at 03:04:52PM +0000, Turritopsis Dohrnii Teo En Ming wrote:
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
These are extremely subjective statements.  For me, I would not be able
to set up Microsoft servers in less than 10 or maybe even 100 times the
time it costs me to set up similar Linux servers.

To refer to an old joke, that is in fact very true: "UNIX/Linux is very
user-friendly, it's just very selective about who its friends are" :-).

-- 
--    Jos Vos <jos at xos.nl>
--    X/OS Experts in Open Systems BV   |   Office: +31 20 6938364
--    Amsterdam, The Netherlands        |   Mobile: +31 6 26216181

hi there

I would categorize? Exchange 2016 as "groupware" rather than SMTP
server
per say, because you sent lots of stuff out of Exchange.


so to compare Exchange with postfix, exim would not be a proper 
comparison. For Linux based groupware that i know is completely free is 
Kolab (https://www.kolab.org/). its fairly easy to setup. Not sure about 
Zimbra is its Still free as of now.


If you are to use? postfix, exim or sendmail you would need to setup a 
webmail for that and use something like SquirrelMail or Dovecot of 
which? that more a bit complex than just setting up Kolab.


So in Short if you ware looking for Exchange equivalent in linux try 
Kolab or Zimbra. don't look at postfix or exim.


On 07/18/2018 07:04 PM, Turritopsis Dohrnii Teo En Ming
wrote:
> Good evening from Singapore,
>
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
>
> Relative ease of installation and configuration is an important
> consideration factor.
>
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
>
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
>
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
>
> Besides the above considerations, how about security? Traditionally,
> Linux is far more secure than Windows.
>
> Judging by security, Linux-based SMTP servers ought to have a higher
percentage of the market share?
>
> Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE
for a period of 3 years MAXIMUM. But I can use Linux servers and Mail Transport
Agents (MTA) FREE perpetually.
>
> Please advise.
>
> Thank you very much.
>
>
>
> ===BEGIN SIGNATURE==>
>   Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30
Oct 2017
>
>   [1] https://tdtemcerts.wordpress.com/
>
> <https://tdtemcerts.wordpress.com/> [2]
http://tdtemcerts.blogspot.sg/
>
> <http://tdtemcerts.blogspot.sg/> [3]
https://www.scribd.com/user/270125049/Teo-En-Ming
>
> <https://www.scribd.com/user/270125049/Teo-En-Ming> ===END
SIGNATURE==>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos

Dear Promise Kumalo,


Thank you for the recommendations.


So for Exchange equivalents in the Linux world, it is Zimbra and Kolab.


________________________________
From: CentOS <centos-bounces at centos.org> on behalf of Promise Kumalo
<promise.kumalo at outlook.com>
Sent: Wednesday, July 18, 2018 11:38 PM
To: centos at centos.org
Subject: Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based
SMTP Servers?

hi there

I would categorize  Exchange 2016 as "groupware" rather than SMTP
server
per say, because you sent lots of stuff out of Exchange.


so to compare Exchange with postfix, exim would not be a proper
comparison. For Linux based groupware that i know is completely free is
Kolab (https://www.kolab.org/). its fairly easy to setup. Not sure about
Zimbra is its Still free as of now.


If you are to use  postfix, exim or sendmail you would need to setup a
webmail for that and use something like SquirrelMail or Dovecot of
which  that more a bit complex than just setting up Kolab.


So in Short if you ware looking for Exchange equivalent in linux try
Kolab or Zimbra. don't look at postfix or exim.


On 07/18/2018 07:04 PM, Turritopsis Dohrnii Teo En Ming
wrote:
> Good evening from Singapore,
>
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
>
> Relative ease of installation and configuration is an important
> consideration factor.
>
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
>
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
>
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
>
> Besides the above considerations, how about security? Traditionally,
> Linux is far more secure than Windows.
>
> Judging by security, Linux-based SMTP servers ought to have a higher
percentage of the market share?
>
> Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE
for a period of 3 years MAXIMUM. But I can use Linux servers and Mail Transport
Agents (MTA) FREE perpetually.
>
> Please advise.
>
> Thank you very much.
>
>
>
> ===BEGIN SIGNATURE==>
>   Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30
Oct 2017
>
>   [1] https://tdtemcerts.wordpress.com/
Turritopsis Dohrnii Teo En Ming's Academic Qualifications ? Historical
Records, Office of the Grand Historian<https://tdtemcerts.wordpress.com/>
tdtemcerts.wordpress.com
Historical Records, Office of the Grand Historian


>
> <https://tdtemcerts.wordpress.com/> [2]
http://tdtemcerts.blogspot.sg/
[https://s0.wp.com/i/blank.jpg]<https://tdtemcerts.wordpress.com/>

Turritopsis Dohrnii Teo En Ming's Academic Qualifications ? Historical
Records, Office of the Grand Historian<https://tdtemcerts.wordpress.com/>
tdtemcerts.wordpress.com
Historical Records, Office of the Grand Historian


>
> <http://tdtemcerts.blogspot.sg/> [3]
https://www.scribd.com/user/270125049/Teo-En-Ming
>
> <https://www.scribd.com/user/270125049/Teo-En-Ming> ===END
SIGNATURE==>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
_______________________________________________
CentOS mailing list
CentOS at centos.org
https://lists.centos.org/mailman/listinfo/centos

Dear Jonathan Billings,


Admittedly, I am a bit confused.


Thank you for enlightening me with more in-depth information.


________________________________
From: CentOS <centos-bounces at centos.org> on behalf of Jonathan Billings
<billings at negate.org>
Sent: Wednesday, July 18, 2018 11:16 PM
To: centos at centos.org
Subject: Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based
SMTP Servers?

On Wed, Jul 18, 2018 at 03:04:52PM +0000, Turritopsis Dohrnii Teo En Ming
wrote:
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
>
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
I think you're a bit confused about what an SMTP server is.  Exchange
typically provides several services, one of which is SMTP.  Comparing
features of Exchange to similar products in the open source world is
going to be difficult, because Microsoft has a vendor lock-in that
makes it difficult to exactly duplicate every feature.

On Linux, an SMTP server can deliver locally to a file (such as
/var/spool/mail/username) and you can read that file with several
MUAs, but it sounds to me like you're asking if there is a way to have
multiple folders.  That's more like something provided by an IMAP
server.  Typically mail arrives in your mailbox via SMTP, and is then
delivered into a mailbox that is read by a completely separate service
that provides the IMAP protocol (or POP3, but I hope not).  IMAP
servers can provide you with many different 'folders' and not just an
INBOX.

There are several IMAP servers for CentOS, for ease of setup I suggest
dovecot.  If you need a webmail client for your mail service, I
suggest RoundCube (package name: roundcubemail).  I prefer postfix for
SMTP although there's also sendmail and exim.

--
Jonathan Billings <billings at negate.org>
_______________________________________________
CentOS mailing list
CentOS at centos.org
https://lists.centos.org/mailman/listinfo/centos

> hi there
>
> I would categorize?? Exchange 2016 as "groupware" rather than
SMTP server
> per say, because you sent lots of stuff out of Exchange.
>
>
> so to compare Exchange with postfix, exim would not be a proper
> comparison. For Linux based groupware that i know is completely free is
> Kolab (https://www.kolab.org/). its fairly easy to setup. Not sure about
> Zimbra is its Still free as of now.
>
Kopano is available in a free and a paid version and does everything
Exchange does and more (and better):

https://kopano.com/  (paid version)
https://kopano.io/   (community version, testbed)

>
> If you are to use?? postfix, exim or sendmail you would need to setup a
> webmail for that and use something like SquirrelMail or Dovecot of
> which?? that more a bit complex than just setting up Kolab.
>
>
> So in Short if you ware looking for Exchange equivalent in linux try
> Kolab or Zimbra. don't look at postfix or exim.
>
>
> On 07/18/2018 07:04 PM, Turritopsis Dohrnii Teo En Ming wrote:
>> Good evening from Singapore,
>>
>> I am torn between deploying Microsoft Exchange 2016 and Linux-based
>> SMTP servers like sendmail, postfix, qmail and exim.
>>
>> Relative ease of installation and configuration is an important
>> consideration factor.
>>
>> Microsoft Exchange 2016, Domain Controller, and Active Directory are
>> relatively easy to install and configure. Linux-based SMTP servers are
>> extremely difficult to install and configure and of course, extremely
>> time-consuming.
>>
>> One of the features of Microsoft Exchange 2016 is that you can create
>> additional folders on your Inbox in the server (server-side). Can
>> Linux-based SMTP servers do that?
>>
>> Does Exchange 2016 offer more user-friendly features or Linux-based
>> SMTP servers?
>>
>> Besides the above considerations, how about security? Traditionally,
>> Linux is far more secure than Windows.
>>
>> Judging by security, Linux-based SMTP servers ought to have a higher
>> percentage of the market share?
>>
>> Finally, I can only use Windows Server 2016 Standard Evaluation Copy
>> FREE for a period of 3 years MAXIMUM. But I can use Linux servers and
>> Mail Transport Agents (MTA) FREE perpetually.
>>
>> Please advise.
>>
>> Thank you very much.
>>
>>
>>
>> ===BEGIN SIGNATURE==>>
>>   Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at
30 Oct
>> 2017
>>
>>   [1] https://tdtemcerts.wordpress.com/
>>
>> <https://tdtemcerts.wordpress.com/> [2]
http://tdtemcerts.blogspot.sg/
>>
>> <http://tdtemcerts.blogspot.sg/> [3]
>> https://www.scribd.com/user/270125049/Teo-En-Ming
>>
>> <https://www.scribd.com/user/270125049/Teo-En-Ming> ===END
SIGNATURE==>>
>> _______________________________________________
>> CentOS mailing list
>> CentOS at centos.org
>> https://lists.centos.org/mailman/listinfo/centos
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>

-- 
L. de Braal
BraHa Systems
NL - Terneuzen
T +31 115 649333

Turritopsis Dohrnii Teo En Ming wrote:
>
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
>
> Relative ease of installation and configuration is an important
> consideration factor.
>
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
Based on experience at a number of jobs, Exchange may appear to be easy to
configure, but as soon as you get past the utterly basic configuration,
when management or other departments want more, it then becomes a major
headache.

I work for a US federal contractor these days, on site (civilian sector)
and they just gave up, and moved to M$ cloud for it. And most people HATE
IT.

Searching, if you're not using Outlook, is either terrrible or nonexistant
(they've started auto-archiving here, and I'm hearing there is no
search).

In addition, if you go to 365, you are NOT BUYING the software, you're
renting the service. You will be paying every year, and a service contract
will cost, and, presumably, cost more every year.

Linux, once you get over the learning curve, is not that difficult to
administer. and there's a lot of online help (just don't expect us to do
your job for you, as a few folks who've posted here over the years seeem
to expect). You can also get contract help. If that's important, you might
consider upstream, who do provide paid support.

And it will cost a lot less than M$.
>
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
I don't know of any mail system that you cannot do that in. Every one
allows that.
<snip>
> Besides the above considerations, how about security? Traditionally,
> Linux is far more secure than Windows.
>
Yup. And fixes come a *LOT* faster, often in hours or days, as opposed to
M$'s "there's no probem, it's your fault (insert one week to
three
months), ok, ok, we've got a fix
>
> Judging by security, Linux-based SMTP servers ought to have a higher
> percentage of the market share?
Back in the last century, the old mainframe line was "nobody ever lost
their job by recommending IBM"; since the nineties, it's been
"recommending Windows", because that's all they know. We won't
say how
much M$ pays, both for advertising, FUD, and illegal under the table
payments to manufacturers.
>
> Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE
> for a period of 3 years MAXIMUM. But I can use Linux servers and Mail
> Transport Agents (MTA) FREE perpetually.
>
Yup.

      mark

>
> In addition, if you go to 365, you are NOT BUYING the software, you're
> renting the service. You will be paying every year, and a service contract
> will cost, and, presumably, cost more every year.
>
Still a lot better than trying to run your own hodge-podge of nightmares on
Linux.

On 7/18/2018 9:03 AM, mark wrote:
> Based on experience at a number of jobs, Exchange may appear to be easy to
> configure, but as soon as you get past the utterly basic configuration,
> when management or other departments want more, it then becomes a major
> headache.
I like to say that Windows is easier to install and initially configure, 
but Linux is much easier to FIX. Things will always go wrong. 
Closed-source Windows software hides everything and its GUI often lies 
about the true state of what's going on under the hood. Open-source 
software can be cracked open and I can dig down to root cause of any 
problems. Check out the free support forums at Microsoft. It's pretty 
hopeless. Responses to problems with open source software are generally 
much more informative. Open source advocates love to show off how they 
can fix problems. Closed source engineers aren't allowed to share 
solutions with the public. If you really want support, you're going to 
have to pay for it. So pay for the product, pay for the support, and nag 
them like you own them. Or go with open source and pay a consultant. (Or 
a hungry college student.)

On 07/18/18 11:03, mark wrote:
> Turritopsis Dohrnii Teo En Ming wrote:
>>
>> I am torn between deploying Microsoft Exchange 2016 and Linux-based
>> SMTP servers like sendmail, postfix, qmail and exim.
>>
>> Relative ease of installation and configuration is an important
>> consideration factor.
>>
>> Microsoft Exchange 2016, Domain Controller, and Active Directory are
>> relatively easy to install and configure. Linux-based SMTP servers are
>> extremely difficult to install and configure and of course, extremely
>> time-consuming.
> 
> Based on experience at a number of jobs, Exchange may appear to be easy to
> configure, but as soon as you get past the utterly basic configuration,
> when management or other departments want more, it then becomes a major
> headache.
> 
> I work for a US federal contractor these days, on site (civilian sector)
> and they just gave up, and moved to M$ cloud for it. And most people HATE
> IT.
> 
> Searching, if you're not using Outlook, is either terrrible or
nonexistant
> (they've started auto-archiving here, and I'm hearing there is no
search).
> 
> In addition, if you go to 365, you are NOT BUYING the software, you're
> renting the service. You will be paying every year, and a service contract
> will cost, and, presumably, cost more every year.
> 
> Linux, once you get over the learning curve, is not that difficult to
> administer. and there's a lot of online help (just don't expect us
to do
> your job for you, as a few folks who've posted here over the years
seeem
> to expect). You can also get contract help. If that's important, you
might
> consider upstream, who do provide paid support.
> 
> And it will cost a lot less than M$.
>>
>> One of the features of Microsoft Exchange 2016 is that you can create
>> additional folders on your Inbox in the server (server-side). Can
>> Linux-based SMTP servers do that?
> 
> I don't know of any mail system that you cannot do that in. Every one
> allows that.
> <snip>
>> Besides the above considerations, how about security? Traditionally,
>> Linux is far more secure than Windows.
>>
> Yup. And fixes come a *LOT* faster, often in hours or days, as opposed to
> M$'s "there's no probem, it's your fault (insert one week
to three
> months), ok, ok, we've got a fix
>>
>> Judging by security, Linux-based SMTP servers ought to have a higher
>> percentage of the market share?
> 
> Back in the last century, the old mainframe line was "nobody ever lost
> their job by recommending IBM"; since the nineties, it's been
> "recommending Windows", because that's all they know. We
won't say how
> much M$ pays, both for advertising, FUD, and illegal under the table
> payments to manufacturers.
In my observation it stems from the practices of hiring IT 
professionals. Department or company personnel manager who has no IT 
knowledge (and shouldn't!) has to hire IT manager. Here is where 
certifications came into play (and MS Certifications are plentiful 
around...), so the top guy in the IT position is most likely MS-trained 
guy. And that defines the field of knowledge of the whole IT team 
eventually.

Incidentally, I contradicted myself above, did anybody notice? I told 
about IT manager "trained", and training is different from knowledge, 
simply speaking you just know which buttons to push. But between people 
who possess knowledge (therefore can look deeper even when following 
manual doesn't work) I know almost no one who has even single certificate...

Valeri
>>
>> Finally, I can only use Windows Server 2016 Standard Evaluation Copy
FREE
>> for a period of 3 years MAXIMUM. But I can use Linux servers and Mail
>> Transport Agents (MTA) FREE perpetually.
>>
> Yup.
> 
>        mark
> 
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
> 
-- 
++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
++++++++++++++++++++++++++++++++++++++++

> Good evening from Singapore,
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
> Relative ease of installation and configuration is an important
> consideration factor.
I think we didn't hear about some important points:

How many people in your IT-department?
How large is your organization?
What do your users need and want?
Where is your experience?


The reason I am asking the third question is that exchange is
certainly not only a mail system. It offers a lot of other
functionality like calendar and I don't know what.
For me, it was an easy decision. More than 20 years ago my
organization wanted to implement a mail system. Microsoft was a t that
time still in stone age and it may be that they didn't even have a
server based solution available at that time.
Bottom line, if you are heading for a mail server system, go for
Postfix, dovecot, etc.
Btw., we NEVER lost a single mail. I still have mails from 1998 :-)

Both paths may be suitable, but with Linux, you are pretty safe of nasty
things that do not do as you want. I know that this MS-bugs bother me
a lot at my users workstations, so why should it be different at the
server side.

Michael

Michael

On 18/07/2018 17:04, Turritopsis Dohrnii Teo En Ming wrote:

Zarafa is also a very good Linux Exchange Like !!!
> Good evening from Singapore,
>
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
>
> Relative ease of installation and configuration is an important
> consideration factor.
>
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
>
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
>
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
>
> Besides the above considerations, how about security? Traditionally,
> Linux is far more secure than Windows.
>
> Judging by security, Linux-based SMTP servers ought to have a higher
percentage of the market share?
>
> Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE
for a period of 3 years MAXIMUM. But I can use Linux servers and Mail Transport
Agents (MTA) FREE perpetually.
-- 
(?-	Bernard Lheureux
//\     Linux System Administrator
v_/_    MailTo:bernard at lheureux.be

I'm going to recommend going with a hosted solution if possible like google
or office365. Assuming you have to host it I recommend Zimbra for a good Linux
solution that is very much like exchange. Zimbra collaboration suite server can
even act like an exchange server to android/ios devices and outlook for the paid
for version. It is about as easy to setup/configure and maintain as exchange is.
Note: I have maintained a 600 user Zimbra server for almost 10 years now. I have
maintained postfix, sendmail, devcot, spam assassin, etc in the past too so I
kinda.. kinda know a little bit about this stuff. Rolling your own now days is
not worth it in most cases.

David Miller.

----- Original Message -----
> From: "Turritopsis Dohrnii Teo En Ming" <turritopsis.dohrnii
at teo-en-ming.com>
> To: centos at centos.org
> Sent: Wednesday, July 18, 2018 8:04:52 AM
> Subject: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based
SMTP Servers?
> Good evening from Singapore,
> 
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
> 
> Relative ease of installation and configuration is an important
> consideration factor.
> 
> Microsoft Exchange 2016, Domain Controller, and Active Directory are
> relatively easy to install and configure. Linux-based SMTP servers are
> extremely difficult to install and configure and of course, extremely
> time-consuming.
> 
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
> 
> Does Exchange 2016 offer more user-friendly features or Linux-based
> SMTP servers?
> 
> Besides the above considerations, how about security? Traditionally,
> Linux is far more secure than Windows.
> 
> Judging by security, Linux-based SMTP servers ought to have a higher
percentage
> of the market share?
> 
> Finally, I can only use Windows Server 2016 Standard Evaluation Copy FREE
for a
> period of 3 years MAXIMUM. But I can use Linux servers and Mail Transport
> Agents (MTA) FREE perpetually.
> 
> Please advise.
> 
> Thank you very much.
> 
> 
> 
> ===BEGIN SIGNATURE==> 
> Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30 Oct
2017
> 
> [1] https://tdtemcerts.wordpress.com/
> 
> <https://tdtemcerts.wordpress.com/> [2]
http://tdtemcerts.blogspot.sg/
> 
> <http://tdtemcerts.blogspot.sg/> [3]
> https://www.scribd.com/user/270125049/Teo-En-Ming
> 
> <https://www.scribd.com/user/270125049/Teo-En-Ming> ===END
SIGNATURE==>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos

On 2018-07-18, Turritopsis Dohrnii Teo En Ming <turritopsis.dohrnii at
teo-en-ming.com> wrote:
>
> I am torn between deploying Microsoft Exchange 2016 and Linux-based
> SMTP servers like sendmail, postfix, qmail and exim.
Why are you multiposting this question to multiple mailing lists?

--keith

-- 
kkeller at wombat.san-francisco.ca.us

Le 18/07/2018 ? 17:04, Turritopsis Dohrnii Teo En Ming a
?crit?:
> One of the features of Microsoft Exchange 2016 is that you can create
> additional folders on your Inbox in the server (server-side). Can
> Linux-based SMTP servers do that?
I'm running a few bone-headed mail servers for schools and small
companies. They're all bone-headed setups on CentOS. I'd say mail
servers are not the easiest thing to configure under Linux. Anyway,
here's all the ingredients I'm using.

  * https://blog.microlinux.fr/postfix-centos/

  * https://blog.microlinux.fr/dovecot-centos/

  * ttps://blog.microlinux.fr/postfix-dovecot-ssl-centos/

  * https://blog.microlinux.fr/spamassassin-centos/

  * https://blog.microlinux.fr/squirrelmail/

Cheers,

Niki

-- 
Microlinux - Solutions informatiques durables
7, place de l'?glise - 30730 Montpezat
Site : https://www.microlinux.fr
Blog : https://blog.microlinux.fr
Mail : info at microlinux.fr
T?l. : 04 66 63 10 32

On 2018-07-19, Nicolas Kovacs <info at microlinux.fr>
wrote:
> I'd say mail
> servers are not the easiest thing to configure under Linux.
A public SMTP server is not the easiest thing to configure, period.
It is the quintessential rope on which many admins hang themselves.


--keith
-- 
kkeller at wombat.san-francisco.ca.us

Just out of curiosity, why are you not using something like Kolab or Zimbra?


On 07/20/2018 02:44 AM, Nicolas Kovacs wrote:
> Le 18/07/2018 ? 17:04, Turritopsis Dohrnii Teo En Ming a ?crit?:
>> One of the features of Microsoft Exchange 2016 is that you can create
>> additional folders on your Inbox in the server (server-side). Can
>> Linux-based SMTP servers do that?
> I'm running a few bone-headed mail servers for schools and small
> companies. They're all bone-headed setups on CentOS. I'd say mail
> servers are not the easiest thing to configure under Linux. Anyway,
> here's all the ingredients I'm using.
>
>    * https://blog.microlinux.fr/postfix-centos/
>
>    * https://blog.microlinux.fr/dovecot-centos/
>
>    * ttps://blog.microlinux.fr/postfix-dovecot-ssl-centos/
>
>    * https://blog.microlinux.fr/spamassassin-centos/
>
>    * https://blog.microlinux.fr/squirrelmail/
>
> Cheers,
>
> Niki
>

folks, didn't anybody check the name of this guy?

Turritopsis Dohrnii Teo En Ming <turritopsis.dohrnii at teo-en-ming.com>
drops a bomb with provocative questions every now and then and NEVER
ever responds to his own bullshit. He is just a troll!

Michael

On 2018-07-21, Michael Schumacher <michael.schumacher at pamas.de>
wrote:
> folks, didn't anybody check the name of this guy?
>
> Turritopsis Dohrnii Teo En Ming <turritopsis.dohrnii at
teo-en-ming.com>
> drops a bomb with provocative questions every now and then and NEVER
> ever responds to his own bullshit. He is just a troll!
This is why I asked him why he multiposted to different lists: I saw the
same allegation in the Ubuntu group.  (Multiposting itself is one minor
sign of trolling.)

FWIW he did respond to a small handful of messages in this thread.

--keith

-- 
kkeller at wombat.san-francisco.ca.us

On Saturday 21 July 2018 21:08:59 Michael Schumacher
wrote:
> folks, didn't anybody check the name of this guy?
>
> Turritopsis Dohrnii Teo En Ming <turritopsis.dohrnii at
teo-en-ming.com>
> drops a bomb with provocative questions every now and then and NEVER
> ever responds to his own bullshit. He is just a troll!
This may be the case, but for me, who has been a sysadmin for longer than I 
care to admit, it has come up with some gems that I'm now looking into.