Zitat von Erol Ozcan <[EMAIL PROTECTED]>: > Hi! > > I am looking for a scalable, stable and cost effective webmail > server solutions. The server system > > - should be cost effective and based on open source softwares as > possible ( could be commercial ) > - should be scalable up to 200,000 users, but 150,000 a must
Redundant SMTP-Gateway per MX-records More than one IMAP-Server and access by some proxy like "perdition" Redundant user base setup with LDAP > - account creation or deletion should not exceed 2 seconds With scripting depends only from speed of your hardware > - could be support concurent 100 subscribers for webmail browsing on > the system without any performance problems Lot of Memory on the WEB-Server, php-accelerator and IMP as webmail. > - should not be create real system user for mail or other purposes. > Account information stored LDAP or other databases. > - does not needed pop3 support Standard today. Everything serious can have its own user-database. > - could ( i think should ) be cluster or similiar system ( load > balance, round robin dns..., MUPDATE ) Critical point is the mailstore. > - Webmail system should be support basic webmail functionality like > read, compose, mail, delete, folders, address book, able to view > attachments... See www.horde.org. > - users quota limit could be 1 MB or even 256 MB since webmail system is > used only for special > mail traffic ( MMS content ). This is done by the mailstore (Cyrus :-) > - user accounts on the current Suse eMail server could be migratable to the > new server. ( I think > i needed write scripts ) > - could be a bit high price hardware solutions ( my customer will > provide hardwares ) > > I have looked Suse OpenExchange server, there are too many features > that we dont need such as exchange server integration, projects, > appointment etc. Its not cost effective solution any more due to > client prices. If you understand german have a look at http://www.suse.de/de/business/products/whitepapers/index.html. and http://www.suse.de/de/business/products/frameworks/highscalable_email/index.htm l Maybe SuSE provide this paper in english too somewhere on www.suse.com. Asking SuSE for support will be an option too. Regards Andreas
