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Is there any one who is using Instead of Dovecot.
we are using SAN for Storage.
we have more than 10,0000 Mailbox , more than 20,000 Domain for this Setup.
what authentication method we should used for this.
On Thu, Aug 12, 2010 at 12:09 PM, Timo Schoeler <timo.schoeler@xxxxxxxxxxxxx
> wrote:
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> thus Jose Ildefonso Camargo Tolosa spake:
> > Hi!
> >
> > On Wed, Aug 11, 2010 at 3:56 AM, Faisal Ghulam <f.ghulam@xxxxxxxxxx>
> wrote:
> >> I want to deploy LVS for highly traffic IMAP,POP3 .
> >>
> >> Can any one guide me how to get it with Centos 5.3.
> >>
> >> My backend Email server is Postfix.
> >
> > Postfix handles SMTP, not IMAP/POP3. I use dovecot for IMAP/POP3, but
> > I'm more interested on security than performance, so..... maybe
> > someone else can suggest a faster IMAP server (although dovecot is not
> > slow, I think, just for the record).
>
> Dovecot is one of the best performing (if not *the* best performing)
> pop/imap servers out there. Just use the search egine you like for
> benchmark comparisons, and you'll get a bunch of results that will show
> this, on different OSes (may it be GNU/Linux, xBSD, or whatever).
>
> > Also, the format of the
> > Mailboxes *is* important, and, off course, you need some kind of
> > *shared* storage, or storage replication (not sure here), and either
> > of these have to be fast.
>
> Keep in mind that there may be some ceveats, depending on your solution.
> If you're running bleeding edge stuff, a look at ceph [0] may be
> interesting. OTOH...
>
> >> Traffic through put is 500 MB per Second.
> >
> > 500Mbytes (ie, ~5Gbps) or 500Mbits (500Mbps). Also, is the traffic an
> > addition of SMTP + IMAP/POP3 traffic, or just IMAP/POP3 traffic.
>
> ...this has to be fed to the mail daemons off the hard discs. So you
> surely have some kind of heavyweight RAID subsystem or something like a
> big EMC/IBM/whatever storage device?
>
> >> Any one who has deployed it can share his experience.
>
> Also, what about authentication? If you're going to authenticate all
> this accesses against one (or or cluster of two) machines there might be
> the next bottleneck you might hit...
>
> >> Regards,
> >> Faisal Ghulam
>
> HTH,
>
> Timo
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