Re: [Exim] ldap and internal mail routing

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Autor: Kevin Sindhu
Data:  
Para: John W Baxter
CC: exim-users
Asunto: Re: [Exim] ldap and internal mail routing
Moin John!
John W Baxter schrieb am Thursday, den 28. February 2002:
> At 7:17 -0800 2/28/2002, Brendon Caligari wrote:


> >Started doing a bit of research and the logical way to go seems to
> >be using LDAP for 'user@???' mail routing. I gave up on
> >sendmail on viewing sendmail.cf and after a bit of reasearch I
> >opted for exim over other mtas. Bought the book (incredible piece
> >of work), printed the FAQ, with all the other bits and pieces
> >around I think I'll manage with a bit of effort (and time).
> >However, I couldn't find a decent source of information on setting
> >up LDAP (openldap) etc etc.


> I can't help with the openldap setup (I'm not the one who did it
> here, and so far I'm treating LDAP as a black box which gives
> answers when I manage to ask it the right questions). [And the LDAP
> guy has provided me with scripts simple enough that I can do things
> like adding accounts and giving them the ability to do email.]


Actually, setup with LDAP(OpenLDAP) is not that hard. The hardest part
come in designing the tree hierarchy especially if you are supporting
multiple virtual domains and their own admins.

> >Am I on the right track after all? Would anybody know of a good
> >source of Exim+LDAP for such scenarios?


> I think you're on the right track. Our (partly done) similar setup
> is working well. The fail branch of the LDAP lookup has two kludges
> in it at the moment...first a flatfile lookup for known exceptions
> and second THAT lookup's fail simply assumes where to send the
> message. [We're a little short of fully populated with the LDAP
> data...about 99% short.]


[...]

A few links:

http://www.nexor.com/info/LDAP-RFCs.htm
http://www.globecom.net/ietf/draft/draft-lachman-ldap-mail-routing-03.html
http://www.stanford.edu/~bbense/ldap/draft-ietf-asid-email-routing-su-00.shtml

After you've familiarized yourself with LDAP, you can see this
article:

http://www.bastard.net/~kos/mailrouter/


> >Also, I was thinking of using Red Hat 7.2 as a distribution.
> >Should I use the RPMs (apparently only 3.22) or build from sources?
> >(esp since i need ldap turned on etc)? Are there reasons why not
> >to use RH7.2 but something else, say FreeBSD?


*BSD rulez!! ;-)...This is purely a question of preference and its
entirely defendant upon other factors such as your server, management
and the local cow which gives milk in your community.

However, I would recommend that you build exim(with LDAP) by hand.
This way you get complete flexibility.

Hope that helps.

-Kevin

--
One thing the inventors can't seem to get the bugs out of
is fresh paint.