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:
Limits:
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 :) - István |