Need help with a strange mail/domain problem!

Matthew Seaman m.seaman at infracaninophile.co.uk
Sat Jul 5 05:30:00 PDT 2003


On Sat, Jul 05, 2003 at 01:56:25PM +0200, Thomas Beutler wrote:

> The server accepts incoming mail all right - no problems there... BUT...
> ...whatever I do, all outgoing mail get the address
> user at visthusboden.beutler.se instead of user at beutler.se

You need to build yourself a customised sendmail configuration, which
you can do in the following way.

    % cd /etc/mail
    # make

(# here implies you'll need root privileges to do this command) This
will create a file named after your host (referred to as
`hostname`.mc) which can be processed through the macro processor
m4(1) in order to generate a sendmail configuration file.

Now, edit the `hostname`.mc file and add lines according to the
following patch:

--- visthusboden.beutler.se.mc.old      Sat Jul  5 13:22:31 2003
+++ visthusboden.beutler.se.mc  Sat Jul  5 13:25:09 2003
@@ -54,6 +54,12 @@
 FEATURE(mailertable, `hash -o /etc/mail/mailertable')
 FEATURE(virtusertable, `hash -o /etc/mail/virtusertable')
 
+FEATURE(allmasquerade)dnl
+FEATURE(masquerade_envelope)dnl
+FEATURE(masquerade_entire_domain)dnl
+MASQUERADE_AS(`beutler.se')dnl
+MASQUERADE_DOMAIN(`beutler.se')dnl
+
 dnl Uncomment to allow relaying based on your MX records.
 dnl NOTE: This can allow sites to use your server as a backup MX without
 dnl       your permission.

Now, process the `hostname`.mc file into a sendmail configuration
file, install it as /etc/mail/sendmail.cf and restart sendmail so it
picks up the changes.

    # make all
    # make install
    # make restart_mta

Et voila.

Read the file /usr/share/sendmail/cf/README for details about how to
generate a sendmail configuration.

	Cheers,

	Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.                       26 The Paddocks
                                                      Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey         Marlow
Tel: +44 1628 476614                                  Bucks., SL7 1TH UK
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