Re: Hosted email service based on cyrus ?

Hello István and others,

Op 12-06-2022 om 17:26 schreef Pongrácz István:
> Hi,
> 
> We run our own email server in-house for more than a decade now, started 
> with ClearOS 5.2, it's about 1.2TByte email.
> Nowadays we will migrate to higher version of ClearOS with separate 
> cyrus 3.6.x imap, our tests seems fine with 3.6 (squatter works fine) etc.
> 
> But.
> We also try to find a viable hosted email platform, which could provide 
> at least the following key properties:
> 
>   * shared imap folders with ACL (obviously)
>   * sieve scripts
>   * imap heavy usage, all emails are on the server
>   * preferably EU vendor
> 
> 
> Limits:
> 
>   * no M$ o365
>   * no Google
> 
> 
> Personally I just start to gather information about the potential 
> solutions, but I did not really convinced yet.
> I mean, every provider have imap, spamfilter, user/white/blacklist 
> management, support desktop/web/mobile clients (imap, what is the magic 
> anyway) etc. standard features, price and other limits could differ of 
> course.
> 
> One potential candidate is Zimbra, which is not really my personal 
> favorite but seems it can share folders between users.
> 
> Thank you, I continue my own research too, I will keep you updated (or 
> just let me know to forgot it :)

I am a self-employed Linux sysadmin in the Netherlands (Groningen), I do 
some hosting on a small scale. I have my own closet and servers in a 
datacenter 10 minutes from my home.

My configuration is: Cyrus IMAP, Postfix for SMTP, SOGo for webmail, 
Debian as OS. All 100% open source.

In SOGo a user can configure ACLs for Cyrus, create Sieve filters and 
configure auto-reply. Other features are caldav and carddav (also with 
ACLs). I do not offer the Microsoft Activesync features of SOGo.

My e-mail service is not perfect, but I would like to become better ;-)

I guess also another provider what uses SOGo or Horde as webmail can do 
what you want. I think Dovecot can also do ACLs and use Sieve.

With regards,
Paul van der Vlis

-- 
Paul van der Vlis Linux systeembeheer Groningen
https://vandervlis.nl/



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