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Just share yours experience about deployment of LVS with SMTP,IMAP/POP3.
if we used only 500 Mb/s traffic to one LVS then what we will have to do for
achieve it behind Postfix as SMTP and
Dovecot as IMAP/POP3.
On Thu, Aug 12, 2010 at 1:31 PM, Timo Schoeler
<timo.schoeler@xxxxxxxxxxxxx>wrote:
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> thus David Lang spake:
> > I missed the beginning of this thread
> > On Thu, 12 Aug 2010, Timo Schoeler 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).
> >
> > take a look at Cyrus, it is _very_ scalable, and includes replication and
> > clustering capabilities. It's routinely used by universities and other
> larger
> > organizations.
>
> Cyrus is a nice player in the field (still run it myself on some hosts),
> but it has some major drawbacks:
>
> - - proprietary mail storage mechanism (compared to MailDir/mbox et al.)
>
> - - slower than Dovecot, e.g.
>
> - - compared to other pop/imap servers, it does not implement RFCs as good
> as others (Dovecot is very good here, too)
>
> > David Lang
>
> HTH,
>
> Timo
>
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