On Mon, Nov 8, 2010 at 6:42 PM, Ben McGinnes <ben at adversary.org> wrote: > On 8/11/10 7:30 PM, ahmad riza h nst wrote: >> hello, >> >> i need to setup a mail server with postfix + dovecot + webmin + >> virtualmin + virtual user with linux system user. the virtual user >> may reach to thousands user from several hundreds virtual domains. > > That shouldn't be a problem. Postfix has had support for this for > well over a decade. > >> what i concern is large numbers of linux system user which used in >> these setup, is it good or bad? > > Virtual users with a Postfix/Dovecot installation does not equate to > real Linux/shell accounts. If the only service being provided is > mail, then there's no reason to create real accounts. > Ben, the problem is we would use webmin + virtualmin as an interface for costumers to manage their domain (mainly emails) on the server and virtualmin don't use/support mysql + vpopmail yet, at least that what i understand at this moment. virtualmin choose to use unix system user with postfix, so if i create an email then it create one unix system user too, this is what i'm concern, since i don't have any information about what happen to linux/centos if these unix system user growing bigger and bigger to reach some thousands users for an example. >> maybe somebody would share their experience about this setup ? >> >> any links would be good. >> >> postfix 2.6.7 >> dovecot 2.0.6 >> centos 5.x > > Is there any particular reason you've chosen these versions? That is, > are there specific functions which these versions provide that are not > in prior versions? > > I ask because I'm running these versions in CentOS 5.x: > > postfix-2.3.3-2.1.el5_2.i386 > dovecot-1.0.7-7.el5.i386 > > If the only concern is security updates, these are backported to the > current versions in CentOS. no particular reason, i just new to postfix, currently i'm qmail + vpopmail admin. i read on postfix and dovecot website about latest stable release and i installed from source :) i know that centos have postfix + dovecot + mysql as a rpm package. > >> webmin + virtualmin > > I've had no experience with either of these as I edit the config files > with a text editor. > these webmin + virtualmin mainly for user interface to manage their domain on the server (just like control panel on hosting server) > > Regards, > Ben > > -- > Ben McGinnes http://www.adversary.org/ Twitter: benmcginnes > Systems Administrator, Writer, ICT Consultant > Encrypted email preferred - primary OpenPGP/GPG key: 0xA04AE313 > http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x371AC5BFA04AE313 > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > -- http://blog.rizahnst.org