Thanks for your response. Do you know any other database driven mailserver who supports this? I just could find dbmail and citadel and another which could be run on debian. It is appriciated if you could guide me.
Thanks in advance Fatemeh T. --- Paul J Stevens <[EMAIL PROTECTED]> wrote: > Dbmail will run on pretty much any platform that > supports GCC, > autotools, and libtool. So yes, redhat whatever > is/should be supported > without any trouble. > > Loadbalancing is more tricky. There are two main > bottlenecks in the > current setup: > > - concurrent connections; the total sum of running > dbmail processes and > hence concurrent client connections is determined by > the sum of > connections your database cluster will support. > There is at present no > mechanism for connection pooling. This is planned > for the 2.3 > developement cycle. > > - multi-master sql backend replication; the size of > your database > cluster is limited by the fact that limitations in > the imap protocol > will not allow multi-master replication out-of-the > box. Insertion of new > messages will have to be done in order of arrival > acros the whole > installation. The algorithme to remedy this has been > discussed in depth, > but implementation is not planned at the moment. > > Both issues are documented on the wiki pages. > > Probably the best route for scalability and > loadbalancing is by > distribution of mailboxes accros several database > clusters, and by > redirecting imap clients to the correct cluster by > using imapproxy. > Of course, insertion will also have to be redirected > and shared > mailboxes are limited to a single database cluster. > > > Fatemeh Taj wrote: > > Hi dear All > > I am looking for a database driven mailserver for > a > > big environment which will serve webhosting > service > > and would have more than 5 millions of mailboxes > in > > future. As I found out DBmail supports virtual > > domains. My question is that if DBmail works with > > Redhat AS 4 edition. Also if I can implement a > load > > balancing scenario and have a horizontal scale out > for > > this email service with dbmail. > > > > Any idea is appriciated in advance > > Fatemeh T. > > > > > > > > > > > > __________________________________________ > > Yahoo! DSL Something to write home about. > > Just $16.99/mo. or less. > > dsl.yahoo.com > > > > _______________________________________________ > > Dbmail mailing list > > [email protected] > > https://mailman.fastxs.nl/mailman/listinfo/dbmail > > > > -- > > ________________________________________________________________ > Paul Stevens > paul at nfg.nl > NET FACILITIES GROUP GPG/PGP: > 1024D/11F8CD31 > The > Netherlands________________________________http://www.nfg.nl > _______________________________________________ > Dbmail mailing list > [email protected] > https://mailman.fastxs.nl/mailman/listinfo/dbmail > __________________________________________ Yahoo! DSL Something to write home about. Just $16.99/mo. or less. dsl.yahoo.com
