[ale] Anyone have experience hosting email for multiple domains?

Brandon Checketts brandon at brandonchecketts.com
Mon Aug 31 11:16:22 EDT 2009

I run a mail hosting service using Postfix and Dovecot and have a howto
set up at http://www.brandonchecketts.com/centos-mail-toaster.php  that
details the basic configuration.   I use that about once a month when
setting it up for somebody else and make small changes as new package
versions are released, so it should be pretty accurate and  I know it
works on CentOS 5.3.   Account credentials are stored in a MySQL backend
and it uses PostfixAdmin to manage the database of users.  I run several
hundred mailboxes off of it, and it works out great.

Brandon Checketts

Richard Bronosky wrote:
> I'd like to avoid reliving your horror stories. I'm a big fan of
> "learn from the mistakes of other, don't make them yourself." So far I
> have installed postfix and dovecot on a CentOS 5.3 slicehost slice.
> Here are my needs (which I will compromise on if I must):
> 1. Forward email for at least 8 domains to other services (mostly Gmail).
> 2. Act as a secure sendmail server so that Gmail will send _from_ my
> domain, not _on behalf of_ my domain.
> 3. Act as 'final destination' for at least 1 domain.
> 4. Server IMAP for final destination domain[s].
> So, any advice, good reads, etc.? I have worked through
> http://wiki.centos.org/HowTos/postfix and am going through
> http://www.postfix.org/VIRTUAL_README.html I haven't started with
> http://wiki.dovecot.org/VirtualUsers so I don't know if I need that
> yet.

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