Re: [Dovecot] Proxying Performance vs imapproxy

2009-09-28 Thread Jose Celestino
On Seg, 2009-09-28 at 14:06 -0400, Timo Sirainen wrote: > 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 mos

Re: [Dovecot] Proxying Performance vs imapproxy

2009-09-28 Thread Timo Sirainen
On Mon, 2009-09-28 at 14:06 -0400, Timo Sirainen wrote: > 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.. BTW. I'm only talking a

Re: [Dovecot] Proxying Performance vs imapproxy

2009-09-28 Thread Timo Sirainen
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

Re: [Dovecot] Proxying Performance vs imapproxy

2009-09-28 Thread Ed W
Jose Celestino wrote: On Seg, 2009-09-28 at 15:55 +0100, Ed W wrote: You didn't get much answer to this - I'm probably not the best person to answer, but Are there any performance benefits to using a proxying server, or is it just for splitting mailstores? I think this is th

Re: [Dovecot] Proxying Performance vs imapproxy

2009-09-28 Thread Jose Celestino
On Seg, 2009-09-28 at 15:55 +0100, Ed W wrote: > You didn't get much answer to this - I'm probably not the best person to > answer, but > > > Are there any performance benefits to using a proxying server, or is it just > > for splitting mailstores? > > > > I think this is the main reason for

Re: [Dovecot] Proxying Performance vs imapproxy

2009-09-28 Thread Ed W
You didn't get much answer to this - I'm probably not the best person to answer, but Are there any performance benefits to using a proxying server, or is it just for splitting mailstores? I think this is the main reason for the proxying option. It would appear that others have measured

[Dovecot] Proxying Performance vs imapproxy

2009-09-26 Thread Dan Poltawski
Hi, I'm planning on a new mail infrastructure which constists of multiple 'frontends' running webmail & public access pop/imap, which would communicate over imap/pop to 'backend mail stores'. My original idea was to run dovecot on the backends, use a predition on the frontends to proxy imap/pop