Nginx configuration for imap

[Robert Banz]

On Thu, Mar 18, 2010 at 3:49 AM, ram <ram at netcore.co.in> wrote:

>
> On Wed, 2010-03-17 at 22:45 -0700, Robert Banz wrote:
> >
> >
> > memcached would certainly be fast, but what sort of authentication
> > rate are you talking about here. My bet is that you've got other bits
> > of system, such as the authentication validation with the target IMAP
> > server, that will be more of a dominant term when it comes to the
> > performance of your system.
> >
> >
> > I deployed an nginix proxy to assist in my migration to Cyrus (once
> > all my users were on Cyrus, murder took over) -- just had it do
> > lookups against our LDAP directory to determine which IMAP provider to
> > redirect to, it worked perfectly fine.
> >
> >
> > -rob
> >
> I dont think I am going to be able to connect to LDAP for every
> connection. I have atleast 3000 pop and 1000 concurrent imap connections
> on the server.
>

Um, I think you're confusing concurrent connections with connection rate.
You'll only be talking to LDAP for a quick query during session
initiation... Your connection numbers aren't really that big ;)


>
>
>
> One more issue with nginx 0.8.34  is that when auth-fails on the real
> server the nginx returns "BAD: internal server error"
> The email clients are not able to interpret this error.
>
> Can I configure nginx to pass on the actual message from my cyrus server
> "NO LOGIN failed"
>
> Thanks
> ram
>
>
>
>
>
>
>
>
> > On Wed, Mar 17, 2010 at 10:35 PM, Robert Mueller <robm at fastmail.fm>
> > wrote:
> >
> >         > But I thought a memcache lookup will be much more
> >         inexpenisve than
> >         > connecting to a mysql db  to do lookup for every cyrus
> >         connection
> >
> >
> >         Probably slightly. But what happens if the value isn't in
> >         memcached?
> >         Where do you get the value from?
> >
> >         Anyway, it's still WAY better than doing:
> >
> >         > > > $user['user1'] = 10.1.1.1;
> >         > > > $user['user2'] = 10.1.1.2;
> >         > > > ----
> >         > > > $user[user15000]=10.1.1.1;
> >
> >
> >         For every lookup.
> >
> >         Rob
> >
> >         ----
> >         Cyrus Home Page: http://cyrusimap.web.cmu.edu/
> >         Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
> >         List Archives/Info:
> >         http://asg.web.cmu.edu/cyrus/mailing-list.html
> >
> >
> >
>
>
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