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Mail2News Mini-Howto
Mail2News Mini−Howto
Mail2News Mini−Howto
Table of Contents
Mail2News Mini−Howto. ....................................................................................................................................1
Bek Oberin gossamer@tertius.net.au ......................................................................................................1
1. Copyright and such. .............................................................................................................................1
2. Introduction. .........................................................................................................................................1
3. Overview of the system. ......................................................................................................................1
4. Setting up mail2news. ..........................................................................................................................1
5. Procmail. ..............................................................................................................................................1
6. Setting up the news groups and news server (innd). ............................................................................1
7. If it doesn't work.... ..............................................................................................................................1
8. The Future. ...........................................................................................................................................1
1. Copyright and such. .............................................................................................................................1
2. Introduction. .........................................................................................................................................2
2.1 Finding mail2news. ............................................................................................................................2
3. Overview of the system. ......................................................................................................................2
3.1 Mail from the mailing list. .................................................................................................................2
3.2 Messages posted to the local newsgroup. ..........................................................................................2
4. Setting up mail2news. ..........................................................................................................................3
5. Procmail. ..............................................................................................................................................3
6. Setting up the news groups and news server (innd). ............................................................................4
7. If it doesn't work.... ..............................................................................................................................4
8. The Future. ...........................................................................................................................................4
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Mail2News Mini−Howto
Bek Oberin gossamer@tertius.net.au
v1.2, November 2000
This document describes how to set up your news server and the mail2news software to link mailing lists to
local news groups.
The copyright of this document is retained by the author. Permission is granted to distribute the document by
electronic means and on CDs provided that it is kept entirely in its original format. Permission is also granted
to print a copy of this document for personal use.
The republishing of this document in part or in whole without the permission of the copyright holder by any
means other than as noted above is prohibited.
Mail2News Mini−Howto
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Mail2News Mini−Howto
Why would you want to post mailing list traffic to local news groups?
Should more than one user subscribe to the same mailing list, there is going to be traffic duplication. By
subscribing the site to a list (if this is allowed by the list owner) and 'gating' the email traffic to the local news
server, it is possible to make mailing lists accessible to all site users, or, using the security features of 'innd',
to limit the access to certain users. Such a site subscription (particularly if there are a number of high traffic
lists) can make worthwhile savings in bandwidth usage.
Also, reading list traffic via a newsreader offers the advantages of threading and scoring/killfiles which tend
not to be available in all mailreaders. And, of course, it keeps your inbox free free for possibly more urgent,
personal email.
This mini−HOWTO describes setting up the 'mail2news' script to accomplish this.
2.1 Finding mail2news
You can download the mail2news package including the script and this HOWTO and other documentation
from
http://www.tertius.net.au/~gossamer/code/mail2news/
It is probably easiest to understand how this system works by tracking a message from the mailing list to the
newsgroup and then a message posted to the local newsgroup (and gated to the mailing list) and see how they
are handled.
3.1 Mail from the mailing list
When mail from the mailing list arrives at the local machine, procmail figures out what newsgroup it belongs
in, and pipes the incoming message to mail2news.
The mail2news script processes the message, applying news headers and then uses rnews or inews to post the
message to the newsgroup.
3.2 Messages posted to the local newsgroup
The local newsgroup is set up as a moderated group, as this allows us to take advantage of the email
capabilities of innd. Any messages posted to a moderated group are not immediately submitted to the group.
Instead, messages are emailed to the moderator of the group.
By declaring the moderator of the local newsgroup to be mailing list address, all locally posted messages to
the newsgroup are automatically mailed out to the mailing list by innd and only appear once they have been
2. Introduction
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Mail2News Mini−Howto
received back through mail2news which adds the necessary 'approved' line to the messages and are thus
acceptable to innd for posting to the newsgroup.
Put the mail2news script in a suitable location. I favour /usr/local/bin, but the location is up to you.
You will need to edit script as follows:−
·
At the top of the script, make sure you are pointing at the local Perl binary. You can probably find
out where Perl is by typing 'whereis perl' or 'which perl' at a command prompt. If you can't find it,
/usr/bin/perl is the safest bet:
#!/usr/bin/perl
# point at the correct location of perl
·
Edit the following lines to point at the posting program (I use rnews, inews will work too) and your
news host:
# $inews = "/usr/bin/inews";
# $iopts = "−h −o \"mail2news gateway\"";
$inews = "/usr/bin/rnews";
$iopts = "";
$postinghost = "your.news.server"; # points at your news server
·
Make sure that the script is exectuable:
chmod 755 /usr/local/bin/mail2news
The procmail config file is at /.procmailrc. If you don't already have a procmailrc file, just create one.
Make an entry for each mailing list that is to be gated to your local news server. Something like this will do
the trick for most cases, but might fail for mail Bcc'd to the mailing list.
For example if your mailing list is 'jokes@netizen.com.au' and you want the newsgroup to be called
'lists.jokes' your entry would look like this:
:0
* TOjokes@netizen.com.au
|/usr/local/bin/mail2news lists.jokes
4. Setting up mail2news
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