[KLUG Members] sendmail

[bill]

Thanks, Bruce.

With what should I edit m4?  I tried gedit but it showed a bunch of binary.

What is the name of the access file?

thanks,

bill

Bruce Smith wrote:

> > I was able from the command line to get a linux machine to send e-mail using
> > sendmail  (boy was I surprised).  Seems to me it might be more efficient now to
> > have other machines on the local network use this local version of sendmail to
> > send e-mail.
> >
> > Could it be as simple as telling the other computers that the outgoing mail
> > (SMTP) server was //localserver/pathtosendmail ?
> >
> > Ah, the computer replies, I don't think so.
> >
> > The linux box with sendmail is behind a firewall, so I'm not too worried about
> > something from outside the network trying to use my sendmail.  Likewise, I'm not
> > using it to receive mail, so the firewall isn't opening unnecesary ports.  I
> > just want to have other computers use sendmail on this local linux machine.
>
> Redhat ships sendmail to work only from the local machine by default.
> (don't know about other distro's)
>
> To change this, you need to edit the m4 file and change a line or two
> (it's well commented in the file), and rerun m4 to generate a new config
> file.  While you're editing m4, you may want to make a few other simple
> changes, like masquerading your domain name.
>
> You should also pay special attention to the access file, so your system
> accepts connects from who it should ("RELAY"), and is NOT a open relay
> (allowing spammers to use your connection to hide their true origin).
>
> --------------------------------------------
> Bruce Smith                bruce@armintl.com
> System Administrator / Network Administrator
> Armstrong International, Inc.
> Three Rivers, Michigan  49093  USA
> http://www.armstrong-intl.com/
> --------------------------------------------
>
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