+++ Nisu Rav [linux-india] <07/05/02 09:29 +0530>:
> As far as mail servers are conserned. I tried using round
> robin dns configuration to utilise two different server for sending and
> receiving mails for different users under same domain say abc.com but in

Two alternatives.

1. The user database should be available to both mailservers (using ldap,
mysql, postgres or whatever).  Your pop daemon and your mailserver should
both be able to authenticate themselves against this database.  Don't use
/etc/passwd for it - too inefficient.

2. You accept all mail incoming, and pass to a third machine which has the
user database and does delivery of mails.  Not really recommended ...
tremendous waste of bandwidth, especially if you operate at the scale we do
(30 million odd mailboxes)

> I would also like to use Postfix instead of sendmail now onwards ..

What's wrong with sendmail?

        -srs

-- 
Suresh Ramasubramanian  <---->  mallet <at> efn dot org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin
[Linux One Stanza Tip]  From : <[EMAIL PROTECTED]>
LOST #054        -**< Sub : Stripping the kernel >**-
GNU strip removes all symbols  from object files.  The  kernel
can also be stripped to reduce size, but NOT advocated.  There
is no increase in speed ... OTOH, some utilities depend on the 
presence of kernel symbols to operate (ksymoops, modutils etc)

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