[Mailman-Users] Mailman's Host Name & sendmail's Virtual Users

[Jeremy Butler]

I recently installed Mailman 2.1.1 on a RedHat 8 box. I'd like the one machine to be a listserver for two domains: www.tcf.ua.edu and www.cinemastudies.org (which is set up as a virtual host on Apache 1.3.27).

Mailman seems to be set okay on www.tcf.ua.edu, but when I tried something similar with [EMAIL PROTECTED] and sent e-mail to it, I got

550 5.7.1 <[EMAIL PROTECTED]>... Relaying denied

In Mailman's General Options Section, I set the "Host name this list prefers for email" to www.cinemastudies.org, but this didn't do the trick.

So, I poked around in the sendmail docs and found the following bit about virtual user tables (below); but I'm rather fuzzy about the details. (I haven't been using www.cinemastudies.org as an e-mail receiver previously.) Are virtual users how one creates virtual hosts? Is this what I need to do:

1. Create a text file named sourcefile in /etc/mail and add:

@www.tcf.ua.edu [EMAIL PROTECTED]

2. Run

makemap dbm /etc/mail/virtusertable < sourcefile

3. Add a line to /etc/mail/local-host-names:

www.cinemastudies.org

4. Restart sendmail.

Do I need to edit /etc/mail/generics-domains?

Thanks for the assistance.


---- sendmail docs ----

#

Create the virtual user table. This is explained in detail in section 19.6.28 of the sendmail book; an overview is given here. The table is a database that maps virtual addresses into real addresses. You create a text file where each line has a key/value pair, separated by a TAB. For example:

[EMAIL PROTECTED] jschmoe
[EMAIL PROTECTED] [EMAIL PROTECTED]
@yourdomain.com jschmoe

In this first example, the address [EMAIL PROTECTED] will be mapped to the local user jschmoe, [EMAIL PROTECTED] will be mapped to the remote user [EMAIL PROTECTED], and anything else coming in to yourdomain.com will also go to jschmoe.

[EMAIL PROTECTED] jschmoe
[EMAIL PROTECTED] error:nouser No such user here
[EMAIL PROTECTED] yourdomain-list
@yourdomain.com [EMAIL PROTECTED]

In this second example, the address [EMAIL PROTECTED] will be mapped to the local user jschmoe, the address [EMAIL PROTECTED] will return the indicated error, the address [EMAIL PROTECTED] will be mapped to the local user yourdomain-list (which you would use the aliases file to ultimately resolve) and every other user at yourdomain.com will be mapped to a remote user of the same name at othercompany.com.

#

Build the virtual user table. If the above virtual user table text file is located at sourcefile, and you are using the dbm database type, then use the command:

makemap dbm /etc/mail/virtusertable < sourcefile

This actually creates one or more non-text files (typically /etc/mail/virtusertable.dir and /etc/mail/virtusertable.pag, or /etc/mail/virtusertable.db), but does not actually change /etc/mail/virtusertable itself, so this is the recommended location for sourcefile.
#

If you would like to reverse-map local users for out-bound mail, you will need to add support for the generics table to your .mc file:

FEATURE(`genericstable', `dbm /etc/mail/genericstable')dnl
GENERICS_DOMAIN_FILE(`/etc/mail/generics-domains')dnl

And you will need to create /etc/mail/genericstable which is like /etc/mail/virtusertable above except the columns are reversed:

jschmoe [EMAIL PROTECTED]

#

Add your domain name to sendmail's class w. This is typically done by adding a line to /etc/mail/local-host-names (known as /etc/sendmail.cw prior to 8.10) with the value of your domain name.

Likewise, if you are using the genericstable, you should add any domains you wish to reverse-map to /etc/mail/generics-domains.
#

Restart or SIGHUP sendmail.


Jeremy Butler
[EMAIL PROTECTED]
========================================================
TELEVISION: CRITICAL METHODS AND APPLICATIONS
www.TVCrit.com


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