(no email)
Date: Mon Jul 01 2002 - 10:56:21 EDT
On Mon, 1 Jul 2002, Phil Howard wrote:
> I am trying to virtualize the users on a new mail server.
> What I mean by that is that the user names will not be listed
> in the /etc/passwd file. There is another file which looks
> like the first 2 fields of /etc/passwd or /etc/shadow which
> contains the list of valid users. The main question is how
> might I get Postfix to check this file for known users?
This is the wrong question. The right question is:
What delivery agent and POP/IMAP server combination should I use to
deliver mail to users without a shell account (not listed in /etc/passwd)?
For a specific choice of delivery agent and POP/IMAP server, what is the
best way to manage the virtual user account information?
Is it possible to enter the virtual user accounts into just one
database that will be used by all components ("smtpd" user validation,
delivery agent, POP/IMAP server)?
The most important factor is your choice of POP/IMAP server. Some can be
integrated tightly with Postfix and some cannot.
Your best bet is likely (I am not an expert on this topic, this is
my impression from recent posts to the list) Courier IMAP. There is a
patch for Postfix to enable it to use "userdb" as a Postfix map type.
Check some of the Courier HOWTO documents recently advertised on the list.
If none provide sufficient detail, perhaps someone can volunteer the
missing recipes.
Postfix has no support for "password-like" maps except /etc/passwd
accessed via getpwnam(3).
-- Viktor. - To unsubscribe, send mail to with content (not subject): unsubscribe postfix-users
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