Ms Exchange vs dovecot

[Jerry]

On 09 May 2020 13:36:00 +0200, Michael Hirmke stated:
>Hi Marc,
>
>>I have recently been working/testing with exchange 2016 and started
>>thinking if I should even migrate to this platform. I assume more
>>people here have experience with exchange and this idea.  
>
>I was an Exchange admin for years and even had an Exchange server at
>home for about 20 years - just for fun and for testing purposes.
>Three months ago I migrated to dovecot and baikal - and dropped
>Exchange completely.
>This worked flawless, so *I* don't miss Exchange at all.
>
>But:
>
>You can't compare dovecot with Exchange, because dovecot is a mail
>server, Exchange is a groupware server. This is why I added a baikal
>server to my infrastructure. Baikal is a Cal- and CardDAV server, that
>can replace the calendar und contact parts of Exchange.
>Nevertheless you loose many features of an Exchange server after
>migrating to such a setup, so if your users got used to these feature,
>it wouldn't be possible to drop Exchange. It is only feasable for small
>environments with few people or in a new environment, where nobody has
>used an Exchange Server until now. IMHO.
>This was not your question, it is meant as background information, if
>you wouldn't already know that.
>
>For your environment I can't tell if it is possible to migrate to
>Exchange, because you didn't write, if you already have an Active
>Directory in place, which is necessary for Exchange on premise.
>If you want to use Microsoft's Azure AD and the Exchange cloud services
>on top, you have to migrate your users to Azure AD. In any case you
>need an Active Directory for Exchange server.
>
>>I was wondering if this is possible with a dovecot setup  
>
>> 1. public folder can be implemented with a public mailbox?  
>
>Yes, but public folders in Exchange are dying for years.
>They still exist, but are only supported so so.
>Public mailboxes in dovecot are supported full fledged.
>
>> 2. authorize users via groups access to mailboxes/folders of the
>> public
>>folder/mailbox. I think I saw ACL's with dovecot, does this compare to
>>'folder permissions'  
>
>Not really, but I'm not an expert for permissions on public mailboxes.
>
>> 3. is it possible with sieve to apply a rule on any mailbox/folder?
>>Thus if I 'drag' a message to a folder, the sieve rule is activated?  
>
>You can configure a folder to act on incoming mail in the folder
>properties. I never tested, though, if "incoming" also applies when
>copying to a folder.
>
>Bye.
>Michael.

Thank you, Michael, for an intelligent and reasoned response. The last
thing this forum needs are the rantings of some anarchist with dreams of
socialism.

In any event, I question why the OP is interested in Exchange 2016? It
has already been surpassed by MS Exchange 2019. I would seriously
question the wisdom of using any outdated software, especially if it
happens to be in a 'mission-critical' position. Perhaps this URL might
be of interest to the OP.

https://docs.microsoft.com/en-us/Exchange/new-features/new-features?view=exchserver-2019

I do agree that DOVECOT != MS EXCHANGE. They are two very
different animals. I have never liked having to use multiple
applications to achieve the same results I can with an 'all-in-one,' but
that is just my personal preference. For the record, I do use
'dovecot' for my home network. Using MS Exchange would be massive
overkill.

-- 
Jerry
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