Virtual Domains and authentication

[Andrew Koros]

On Tue, 2003-08-12 at 11:47, Michael Fair wrote:
> I've never used pam for virtual domains but the general idea
> is that the user provides the fully qualified user at domain.dom
> as their userid.  SASL splits that up into a "realm" and a
> user so in terms of SASL, creating the user looks something
> like this:
> saslpasswd -c -U domain.dom userid
> 
> I really can't say how this will map to PAM since PAM really
> doesn't support the concept of realms (as I understand it).
> 
> -- Michael --
> 
Hi,

With pam you can have IMAP accounts of the type: username.domain.tld so
that mail sent to username at domain.tld is delivered to a cyrus account:
username.domain.tld

This needs the the option "unixhierarchysep: yes" is set in the
/etc/imapd.conf.

There are howto's showing how to achieve this:
http://www.delouw.ch/linux/Postfix-Cyrus-Web-cyradm-HOWTO/html/index.html
and 
http://home.teleport.ch/simix/RPMS/Cyrus-imapd/contrib/Postfix+cyrus+postgreSQL+web-cyradm.pdf

In the new cyrus-2.2.x (now in beta) username at domain.tld will be
allowed. Otherwise for now you can use the Perdition IMAP/POP proxy
server(http://vergenet.net/linux/perdition/) or get a patch (I think),
for the current stable 2.1.x series.

> 
> "James Satterfield" <james at uberduper.com> wrote in message
> news:1059956276.eba8c41ce07f8 at boingo.uberduper.com...
> > I'm having a lot of difficulty wrapping my mind around authentication for
> a
> > virtual domain configuration. I would like to use PAM for auth, but I
> don't see
> > how to get around the '@' in the usernames. I see nothing in the docs that
> > address how to setup auth for virtual domain support.
> > Do any of you have any tips, howtos, advice, config examples?
> >
> > Thanks,
> > James.
> >
> >
> 
-- 
Andrew Koros
Developer, Systems Services

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