>>> A 50-100 mailbox user server will run Dovecot CE just fine. Pro would >>> be overkill. >> >> What is overkill? I always thought it had a bit more features and support. > > For Pro 2.3, you need (at minimum) 7 Dovecot nodes + HA authentication + HA > storage + (minimum) 3 Cassandra nodes if using object storage. This is per > site; most of our customers require data center redundancy as well, so > multiply as needed. And this is only email retrieval; this doesn't even > begin to touch upon email transfer. > > Email high availability isn't cheap. (I would argue that if you truly need > this sort of carrier-grade HA for 50 users, it makes much more sense to use > email as-a-service than trying to do it yourself these days. Unless you have > very specific reasons and a ton of cash.)
High availability currently is cheap with a small two server setup: You need 3 servers or virtual machines: dovecot (and maybe postfix) running on two of them and mysql galera on all three. This provides very affordable active/active geo-redundancy. No offence, it's just a pity to see that feature disappering. Best regards, Gerald _______________________________________________ dovecot mailing list -- dovecot@dovecot.org To unsubscribe send an email to dovecot-le...@dovecot.org
