[TriLUG] Multi Domain IMAP Servers

[Aaron Bockover]

Excellent. Yes, I was going to go with Postfix, but had to give sendmail
a chance. Hah.

I will be looking into Courier... not many users or domains at all -
about 10 domains, maybe 5-20 users per domain - some cross domains.

Thanks Jason!

--Aaron

On Sat, 2005-04-09 at 02:12 -0400, Jason Tower wrote:
> no matter what, yout postfix instead of sendmail.  that's an easy choice.
> 
> if you don't have a huge number of users, courier is probably the best 
> pop/imap solution.  you can handle multiple domains in a variety of ways 
> (postfix virtuals, sendmail virtuals, mysql/ldap virtual users, etc) and 
> it's a snap to use procmail or maildrop to invoke spamassassin.  cyrus 
> is the other obvious choice, it's more complicated (IMO) but better 
> suited to handling lots of users in lots of domains.
> 
> i've run postfix/courier/procmail/spamassassin on my hosting server for 
> a handful of domains for a couple of years now.  it's both rock solid 
> and very simple to set up.  manageability might suffer if i had hundreds 
> or thousands of user accounts but i'll cross that bridge when i come to it.
> 
> jason
> 
> Aaron Bockover wrote:
> > Howdy!
> > 
> > I made the jump to Linode UML hosting, and am rolling Debian/MySQL
> > 4.1/Apache2/PHP 5 out on the box. That end of things is all set up. The
> > server supports about 10 domains, each with separate Apache Virtual
> > Hosts, MySQL databases, shell accounts, etc. Pretty much standard stuff.
> > 
> > I'm quite knowledgeable in the area of MySQL/Apache/PHP server stuff,
> > and general admin stuff, but what I haven't had much experience with is
> > email systems, since I've never had a real fat pipe to the house, and
> > always had great shared web hosting, I just used my hosted email on my
> > virtual servers.
> > 
> > So what to install on my new UML server? I don't really know where to
> > start, but here are the things I need:
> > 
> > - IMAP, POP3 optional (would be best if it's an IMAP server that
> > supports a "virtual" POP3 layer)
> > - Multiple Domain support (aaron at domain1.com and aaron at domain2.com need
> > to be SEPARATE accounts) 
> > - Further Multiple Domain support, this one is optional, but desired:
> > aaron at domain1 and aaron at domain2 are the SAME account, but aaron at domain3
> > is DIFFERENT than the other two...
> > - Spam Assassin is a must - I'm currently using it on my shared hosting,
> > and it captures about 95% of my spam. Not sure how this gets configured,
> > but I'm guessing it comes into play regardless of mail system? Eigh?
> > 
> > I also need an SMTP server. Should I just use sendmail, or go to
> > Postfix? Any good recommended reads for either?
> > 
> > I have been running Hula on my home server for a few weeks, trying it
> > while pondering the move to UML. Conceptually, I like it, and I'd
> > probably use it, but it doesn't support multiple domains like I need.
> > Unless I'm missing something?
> > 
> > Some guided advice would be splendid!
> > 
> > Thanks!
> > -Aaron
> >