unified tld - joe at example.com, joe at example.net, joe at example.org to the same cyrus user.joe mailboxes

[Alain Spineux]

FYI

virtual map in postfix let you write

@example.net   @example.com
@example.org   @example.com

to rename any .net and .org into .com

Regards

On 7/23/07, Maulvi Bakar <maulvi at maulvi.net> wrote:
>
>
> On 7/18/07, Jorey Bump <list at joreybump.com> wrote:
> > Maulvi Bakar wrote:
> > > Hi all
> > >
> > > I have a system which accepts mails for example.com, example.net and
> > > example.org.  Rather than creating 3 differing mailboxes on cyrus, it
> > >  is decided to create 1 mailbox for all the TLDs, since all the
> > > domains involved refers to the same entity.
> > >
> > > Right now, I can receive mails for joe at example.com which will be
> > > delivered to cyrus user.joe mailbox.  I would appreciate if some kind
> > > soul would be explain howto deliver mails for joe at example.net and
> > > joe at example.org to cyrus user.joe mailbox as well.
> > >
> > > My setup is currently as thus -
> > >
> > > CentOS 5 Postfix Cyrus OpenLDAP
> >
> > I configure all of my domains as virtual_alias_domains in Postfix:
> >
> >   virtual_alias_domains = /etc/postfix/vhosts
> >
> > /etc/postfix/vhosts is simply a text file listing my domains:
> >
> >    example.com
> >   example.net
> >   example.org
> >
> > Then I explicitly map all addresses for each domain in virtual_alias_maps:
> >
> >   virtual_alias_maps = hash:/etc/postfix/virtual
> >
> > /etc/postfix/virtual maps each address to unique users (or aliases in
> > alias_maps):
> >
> >   postmaster at example.com        admin
> >    joe at example.com       joe
> >   sales at example.com     joe
> >
> >   postmaster at example.net        admin
> >    joe at example.net       joe
> >   joe.smith at example.net joe
> >
> >   postmaster at example.org        admin
> >    joe at example.org       joe
> >   joseph at example.org    joe
> >   jane at example.org      jane
> >
> > In this example, joe corresponds to the Cyrus mailbox user.joe, but
> > admin is expanded in /etc/mail/aliases to other users (both local and
> > external). Final delivery is done via LMTP to Cyrus:
> >
> >   mailbox_transport = lmtp:unix:/var/imap/socket/lmtp
> >
> > Sorry, I don't use LDAP, I use sasldb2 for authentication. To simplify
> > things, I put all users in the same realm, regardless of the email
> > domain(s) they belong to:
> >
> >   smtpd_sasl_local_domain = mail.example.net
> >
> > Note that I'm using a generic realm that is portable between machines.
> > This is *not* necessarily the local machine's hostname (and it doesn't
> > even need to be a hostname, you can use just about anything you want).
> > One advantage of using a single realm is that I can support bare
> > username logins by making it the defaultdomain in /etc/imapd.conf:
> >
> >   defaultdomain: mail.example.net
> >
> > Finally, be sure to support delivery of mixed-case addresses in
> > /etc/imapd.conf:
> >
> >   lmtp_downcase_rcpt: true
> >
> > Aside from not using LDAP, my standard setup sounds identical to what
> > you're trying to achieve. Hopefully, this is enough to get you started.
> >
> >
>
> Thanks for the assist.  Unfortunately, it is not exactly what I wanted.  To
> key-in every individual accounts in the alias will be a bit repetitive.
>
> Instead, I found out that Cyrus already delivers according to the username,
> not username at domain.tld, provided I disable defaultdomain settings and not
> use virtual domains.
>
> Within the postfix, I have to declare itself that it is the final
> destination delivery of all the domains listed.  It's in the main.cf at the
> "mydestination =" string.  Needs to declare all the domains I'm receiving
> for here.
>
> From there, postfix will deliver to cyrus according to username and straight
> to user's mailbox.
>
> The LMPT tips were helpful though, which I am very appreciative.
>
> The setback to the above solution is, you can't have virtual domains on the
> same machine.  It'll break the unified mailbox function.  You'll probably
> have to do aliases then.  But as my requirements are unified mailbox, well
> it's good enough then.
>
>
> Sincere regards and thanks
>
> Maulvi
>
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>


-- 
--
Alain Spineux
aspineux gmail com
May the sources be with you