On Mon, 2009-09-28 at 19:02 +0100, Ed W wrote: > > Proxy servers are usually set between the webmail and the imap server. > > > > That's because webmails are a bitch regarding opening+closing > > connections and so the proxy gets most of connection + auth + do > > something + disconnect and keeps a limited pool of per user connections > > to the imap servers that it re-uses. Proxies are usually installed on > > the same servers that the webmail, with the webmail connecting to > > 127.0.0.1:someport. > > > > > > That's what he was asking about, however, I don't think that dovecot's > proxy does in fact do this for you? I believe
Right, Dovecot doesn't do connection caching. > However, it's probably worth checking if it's an issue in your > installation before over tuning - I think that dovecot's login caching > can make this a fairly inexpensive process. Yeah. imapproxy probably reduces the load a bit, but it probably isn't anything dramatic with Dovecot. My guess is that it would only reduce CPU load, but if it's at ~1% already then there's not that much point..
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