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.schoe...@riscworks.net > wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > thus Jose Ildefonso Camargo Tolosa spake: > > Hi! > > > > On Wed, Aug 11, 2010 at 3:56 AM, Faisal Ghulam <f.ghu...@nacspl.com> > 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 > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.5 (GNU/Linux) > > iD8DBQFMY55Cfg746kcGBOwRAiK7AKC68F5PQ2LBjoIY0zHG4ZXukxqbZwCgnvPO > lUh/k5MkDdPrP4PFI8tYCgU= > =0+k3 > -----END PGP SIGNATURE----- > > _______________________________________________ > Please read the documentation before posting - it's available at: > http://www.linuxvirtualserver.org/ > > LinuxVirtualServer.org mailing list - lvs-users@LinuxVirtualServer.org > Send requests to lvs-users-requ...@linuxvirtualserver.org > or go to http://lists.graemef.net/mailman/listinfo/lvs-users > _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - lvs-users@LinuxVirtualServer.org Send requests to lvs-users-requ...@linuxvirtualserver.org or go to http://lists.graemef.net/mailman/listinfo/lvs-users