>>> cyrus is such a pain, and requires more horsepower on a single box. >>> It is better to run five really crappy cheap servers using courier >>> over NFS > speaking from experience. I have used both extensively, and both are > excellent, but I would not leave a cyrus installation in the hands of a > newbie, whereas courier is alot easier to support for people who do not > specialize in mail servers. I dont think its FUD to say that cyrus is > something that an advanced admin may prefer, and a nice thing about > courier is that if you find an old spare machine laying around it is > very easy to integrate into your mail cluster. And a failed courier box > does not affect the rest of the cluster. When a cyrus box fails, there > is no doubt downtime, and you need to know how to fix it as opposed to > just reinstalling another courier box and copying the config files. You left out the horsepower bit. Have you ever ran courier-imap with IDLE support in conjunction with fam? and done the same with cyrus?